![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to dsp_disasm.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [HATARI the Atari ST Emulator] / hatari / src / falcon|
Return to dsp_disasm.c CVS log | Up to [HATARI the Atari ST Emulator] / hatari / src / falcon |
1.1 root 1: /*
1.1.1.2 root 2: DSP M56001 emulation
3: Disassembler
4:
5: (C) 2003-2008 ARAnyM developer team
6:
7: This program is free software; you can redistribute it and/or modify
8: it under the terms of the GNU General Public License as published by
9: the Free Software Foundation; either version 2 of the License, or
10: (at your option) any later version.
11:
12: This program is distributed in the hope that it will be useful,
13: but WITHOUT ANY WARRANTY; without even the implied warranty of
14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: GNU General Public License for more details.
16:
17: You should have received a copy of the GNU General Public License
1.1.1.10 root 18: along with this program; if not, write to the Free Software Foundation,
19: 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
1.1.1.2 root 20: */
21:
22: #ifdef HAVE_CONFIG_H
23: #include "config.h"
24: #endif
25:
26: #include <string.h>
1.1.1.7 root 27: #include <inttypes.h>
1.1.1.5 root 28: #include <stdbool.h>
1.1.1.8 root 29: #include <stdio.h>
1.1.1.2 root 30:
31: #include "dsp_core.h"
1.1 root 32: #include "dsp_cpu.h"
33: #include "dsp_disasm.h"
1.1.1.6 root 34: #include "profile.h"
1.1 root 35:
36:
37: /* More disasm infos, if wanted */
38: #define DSP_DISASM_REG_PC 0
39:
40: /**********************************
41: * Defines
42: **********************************/
43:
44: /**********************************
45: * Variables
46: **********************************/
47:
48: /* Current instruction */
1.1.1.2 root 49: static Uint32 cur_inst;
1.1.1.6 root 50: static Uint16 disasm_cur_inst_len;
1.1.1.11! root 51: static char str_instr[80];
1.1.1.6 root 52: static char str_instr2[120];
1.1.1.4 root 53: static char parallelmove_name[64];
1.1.1.3 root 54:
55: /* Previous instruction */
1.1.1.5 root 56: static Uint32 prev_inst_pc;
57: static bool isLooping;
1.1.1.2 root 58:
1.1.1.5 root 59: /* Used to display dc instead of unknown instruction for illegal opcodes */
60: static bool isInDisasmMode;
1.1.1.2 root 61:
1.1.1.5 root 62: void dsp56k_disasm_init(void)
1.1.1.2 root 63: {
1.1.1.5 root 64: prev_inst_pc = 0x10000; /* Init to an invalid value */
65: isLooping = false;
66: isInDisasmMode = false;
1.1.1.2 root 67: }
1.1 root 68:
69: /**********************************
70: * Register change
71: **********************************/
72:
1.1.1.2 root 73: static Uint32 registers_save[64];
1.1 root 74: #if DSP_DISASM_REG_PC
1.1.1.2 root 75: static Uint32 pc_save;
1.1 root 76: #endif
77:
78: static const char *registers_name[64]={
79: "","","","",
80: "x0","x1","y0","y1",
81: "a0","b0","a2","b2",
82: "a1","b1","a","b",
83:
84: "r0","r1","r2","r3",
85: "r4","r5","r6","r7",
86: "n0","n1","n2","n3",
87: "n4","n5","n6","n7",
88:
89: "m0","m1","m2","m3",
90: "m4","m5","m6","m7",
91: "","","","",
92: "","","","",
93:
94: "","","","",
95: "","","","",
96: "","sr","omr","sp",
97: "ssh","ssl","la","lc"
98: };
99:
100: /**********************************
101: * Opcode disassembler
102: **********************************/
103:
1.1.1.2 root 104: static Uint32 read_memory(Uint32 currPc);
105:
1.1 root 106: typedef void (*dsp_emul_t)(void);
107:
108: static void opcode8h_0(void);
109:
1.1.1.2 root 110: static int dsp_calc_ea(Uint32 ea_mode, char *dest);
111: static void dsp_calc_cc(Uint32 cc_mode, char *dest);
1.1 root 112: static void dsp_undefined(void);
113:
114: /* Instructions without parallel moves */
115: static void dsp_andi(void);
1.1.1.3 root 116: static void dsp_bchg_aa(void);
117: static void dsp_bchg_ea(void);
118: static void dsp_bchg_pp(void);
119: static void dsp_bchg_reg(void);
120: static void dsp_bclr_aa(void);
121: static void dsp_bclr_ea(void);
122: static void dsp_bclr_pp(void);
123: static void dsp_bclr_reg(void);
124: static void dsp_bset_aa(void);
125: static void dsp_bset_ea(void);
126: static void dsp_bset_pp(void);
127: static void dsp_bset_reg(void);
128: static void dsp_btst_aa(void);
129: static void dsp_btst_ea(void);
130: static void dsp_btst_pp(void);
131: static void dsp_btst_reg(void);
1.1 root 132: static void dsp_div(void);
133: static void dsp_enddo(void);
134: static void dsp_illegal(void);
1.1.1.3 root 135: static void dsp_jcc_imm(void);
136: static void dsp_jcc_ea(void);
137: static void dsp_jclr_aa(void);
138: static void dsp_jclr_ea(void);
139: static void dsp_jclr_pp(void);
140: static void dsp_jclr_reg(void);
141: static void dsp_jmp_ea(void);
142: static void dsp_jmp_imm(void);
143: static void dsp_jscc_ea(void);
144: static void dsp_jscc_imm(void);
145: static void dsp_jsclr_aa(void);
146: static void dsp_jsclr_ea(void);
147: static void dsp_jsclr_pp(void);
148: static void dsp_jsclr_reg(void);
149: static void dsp_jset_aa(void);
150: static void dsp_jset_ea(void);
151: static void dsp_jset_pp(void);
152: static void dsp_jset_reg(void);
153: static void dsp_jsr_ea(void);
154: static void dsp_jsr_imm(void);
155: static void dsp_jsset_aa(void);
156: static void dsp_jsset_ea(void);
157: static void dsp_jsset_pp(void);
158: static void dsp_jsset_reg(void);
1.1 root 159: static void dsp_lua(void);
1.1.1.3 root 160: static void dsp_movem_ea(void);
161: static void dsp_movem_aa(void);
1.1 root 162: static void dsp_nop(void);
163: static void dsp_norm(void);
164: static void dsp_ori(void);
165: static void dsp_reset(void);
166: static void dsp_rti(void);
167: static void dsp_rts(void);
168: static void dsp_stop(void);
169: static void dsp_swi(void);
170: static void dsp_tcc(void);
171: static void dsp_wait(void);
1.1.1.3 root 172: static void dsp_do_ea(void);
173: static void dsp_do_aa(void);
174: static void dsp_do_imm(void);
175: static void dsp_do_reg(void);
176: static void dsp_rep_aa(void);
177: static void dsp_rep_ea(void);
178: static void dsp_rep_imm(void);
179: static void dsp_rep_reg(void);
180: static void dsp_movec_aa(void);
181: static void dsp_movec_ea(void);
182: static void dsp_movec_imm(void);
183: static void dsp_movec_reg(void);
1.1 root 184: static void dsp_movep_0(void);
185: static void dsp_movep_1(void);
1.1.1.3 root 186: static void dsp_movep_23(void);
1.1 root 187:
188: /* Parallel moves */
1.1.1.3 root 189: static void dsp_pm_class2(void);
1.1 root 190: static void dsp_pm(void);
191: static void dsp_pm_0(void);
192: static void dsp_pm_1(void);
193: static void dsp_pm_2(void);
194: static void dsp_pm_4(void);
195: static void dsp_pm_8(void);
196:
197:
1.1.1.5 root 198: static const dsp_emul_t opcodes8h[512] = {
1.1.1.3 root 199: /* 0x00 - 0x3f */
200: opcode8h_0, dsp_undefined, dsp_undefined, dsp_undefined, opcode8h_0, dsp_andi, dsp_undefined, dsp_ori,
201: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_andi, dsp_undefined, dsp_ori,
202: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_andi, dsp_undefined, dsp_ori,
203: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_andi, dsp_undefined, dsp_ori,
204: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
205: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
206: dsp_undefined, dsp_undefined, dsp_div, dsp_div, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
207: dsp_norm, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
208:
209: /* 0x40 - 0x7f */
210: dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
211: dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
212: dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
213: dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
214: dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
215: dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
216: dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
217: dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
218:
219: /* 0x80 - 0xbf */
220: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
221: dsp_lua, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_movec_reg, dsp_undefined, dsp_undefined,
222: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
223: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_movec_reg, dsp_undefined, dsp_undefined,
224: dsp_undefined, dsp_movec_aa, dsp_undefined, dsp_movec_aa, dsp_undefined, dsp_movec_imm, dsp_undefined, dsp_undefined,
225: dsp_undefined, dsp_movec_ea, dsp_undefined, dsp_movec_ea, dsp_undefined, dsp_movec_imm, dsp_undefined, dsp_undefined,
226: dsp_undefined, dsp_movec_aa, dsp_undefined, dsp_movec_aa, dsp_undefined, dsp_movec_imm, dsp_undefined, dsp_undefined,
227: dsp_undefined, dsp_movec_ea, dsp_undefined, dsp_movec_ea, dsp_undefined, dsp_movec_imm, dsp_undefined, dsp_undefined,
228:
229: /* 0xc0 - 0xff */
230: dsp_do_aa, dsp_rep_aa, dsp_do_aa, dsp_rep_aa, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
231: dsp_do_ea, dsp_rep_ea, dsp_do_ea, dsp_rep_ea, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
232: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
233: dsp_do_reg, dsp_rep_reg, dsp_undefined, dsp_undefined, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
234: dsp_movem_aa, dsp_movem_aa, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
235: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_movem_ea, dsp_movem_ea, dsp_undefined, dsp_undefined,
236: dsp_movem_aa, dsp_movem_aa, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
237: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_movem_ea, dsp_movem_ea, dsp_undefined, dsp_undefined,
238:
239: /* 0x100 - 0x13f */
240: dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2,
241: dsp_movep_0, dsp_movep_0, dsp_movep_1, dsp_movep_1, dsp_movep_23, dsp_movep_23, dsp_movep_23, dsp_movep_23,
242: dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2,
243: dsp_movep_0, dsp_movep_0, dsp_movep_1, dsp_movep_1, dsp_movep_23, dsp_movep_23, dsp_movep_23, dsp_movep_23,
244: dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2,
245: dsp_movep_0, dsp_movep_0, dsp_movep_1, dsp_movep_1, dsp_movep_23, dsp_movep_23, dsp_movep_23, dsp_movep_23,
246: dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2,
247: dsp_movep_0, dsp_movep_0, dsp_movep_1, dsp_movep_1, dsp_movep_23, dsp_movep_23, dsp_movep_23, dsp_movep_23,
248:
249: /* 0x140 - 0x17f */
250: dsp_bclr_aa, dsp_bset_aa, dsp_bclr_aa, dsp_bset_aa, dsp_jclr_aa, dsp_jset_aa, dsp_jclr_aa, dsp_jset_aa,
251: dsp_bclr_ea, dsp_bset_ea, dsp_bclr_ea, dsp_bset_ea, dsp_jclr_ea, dsp_jset_ea, dsp_jclr_ea, dsp_jset_ea,
252: dsp_bclr_pp, dsp_bset_pp, dsp_bclr_pp, dsp_bset_pp, dsp_jclr_pp, dsp_jset_pp, dsp_jclr_pp, dsp_jset_pp,
253: dsp_jclr_reg, dsp_jset_reg, dsp_bclr_reg, dsp_bset_reg, dsp_jmp_ea, dsp_jcc_ea, dsp_undefined, dsp_undefined,
254: dsp_bchg_aa, dsp_btst_aa, dsp_bchg_aa, dsp_btst_aa, dsp_jsclr_aa, dsp_jsset_aa, dsp_jsclr_aa, dsp_jsset_aa,
255: dsp_bchg_ea, dsp_btst_ea, dsp_bchg_ea, dsp_btst_ea, dsp_jsclr_ea, dsp_jsset_ea, dsp_jsclr_ea, dsp_jsset_ea,
256: dsp_bchg_pp, dsp_btst_pp, dsp_bchg_pp, dsp_btst_pp, dsp_jsclr_pp, dsp_jsset_pp, dsp_jsclr_pp, dsp_jsset_pp,
257: dsp_jsclr_reg, dsp_jsset_reg, dsp_bchg_reg, dsp_btst_reg, dsp_jsr_ea, dsp_jscc_ea, dsp_undefined, dsp_undefined,
258:
259: /* 0x180 - 0x1bf */
260: dsp_jmp_imm, dsp_jmp_imm, dsp_jmp_imm, dsp_jmp_imm, dsp_jmp_imm, dsp_jmp_imm, dsp_jmp_imm, dsp_jmp_imm,
261: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
262: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
263: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
264: dsp_jsr_imm, dsp_jsr_imm, dsp_jsr_imm, dsp_jsr_imm, dsp_jsr_imm, dsp_jsr_imm, dsp_jsr_imm, dsp_jsr_imm,
265: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
266: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
267: dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
268:
269: /* 0x1c0 - 0x1ff */
270: dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm,
271: dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm,
272: dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm,
273: dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm, dsp_jcc_imm,
274: dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm,
275: dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm,
276: dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm,
277: dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm, dsp_jscc_imm,
1.1 root 278: };
279:
1.1.1.5 root 280: static const char* opcodes_alu[256] = {
1.1.1.3 root 281: /* 0x00 - 0x3f */
1.1.1.5 root 282: "move" , "tfr b,a", "addr b,a", "tst a", "undefined", "cmp b,a" , "subr b,a", "cmpm b,a",
283: "undefined", "tfr a,b", "addr a,b", "tst b", "undefined", "cmp a,b" , "subr a,b", "cmpm a,b",
284: "add b,a" , "rnd a" , "addl b,a", "clr a", "sub b,a" , "undefined", "subl b,a", "not a",
285: "add a,b" , "rnd b" , "addl a,b", "clr b", "sub a,b" , "undefined", "subl a,b", "not b",
286: "add x,a" , "adc x,a", "asr a" , "lsr a", "sub x,a" , "sbc x,a" , "abs a" , "ror a",
287: "add x,b" , "adc x,b", "asr b" , "lsr b", "sub x,b" , "sbc x,b" , "abs b" , "ror b",
288: "add y,a" , "adc y,a", "asl a" , "lsl a", "sub y,a" , "sbc y,a" , "neg a" , "rol a",
289: "add y,b" , "adc y,b", "asl b" , "lsl b", "sub y,b" , "sbc y,b" , "neg b" , "rol b",
1.1.1.3 root 290:
291: /* 0x40 - 0x7f */
1.1.1.5 root 292: "add x0,a", "tfr x0,a", "or x0,a", "eor x0,a", "sub x0,a", "cmp x0,a", "and x0,a", "cmpm x0,a",
293: "add x0,b", "tfr x0,b", "or x0,b", "eor x0,b", "sub x0,b", "cmp x0,b", "and x0,b", "cmpm x0,b",
294: "add y0,a", "tfr y0,a", "or y0,a", "eor y0,a", "sub y0,a", "cmp y0,a", "and y0,a", "cmpm y0,a",
295: "add y0,b", "tfr y0,b", "or y0,b", "eor y0,b", "sub y0,b", "cmp y0,b", "and y0,b", "cmpm y0,b",
296: "add x1,a", "tfr x1,a", "or x1,a", "eor x1,a", "sub x1,a", "cmp x1,a", "and x1,a", "cmpm x1,a",
297: "add x1,b", "tfr x1,b", "or x1,b", "eor x1,b", "sub x1,b", "cmp x1,b", "and x1,b", "cmpm x1,b",
298: "add y1,a", "tfr y1,a", "or y1,a", "eor y1,a", "sub y1,a", "cmp y1,a", "and y1,a", "cmpm y1,a",
299: "add y1,b", "tfr y1,b", "or y1,b", "eor y1,b", "sub y1,b", "cmp y1,b", "and y1,b", "cmpm y1,b",
1.1.1.3 root 300:
301: /* 0x80 - 0xbf */
1.1.1.5 root 302: "mpy +x0,x0,a", "mpyr +x0,x0,a", "mac +x0,x0,a", "macr +x0,x0,a", "mpy -x0,x0,a", "mpyr -x0,x0,a", "mac -x0,x0,a", "macr -x0,x0,a",
303: "mpy +x0,x0,b", "mpyr +x0,x0,b", "mac +x0,x0,b", "macr +x0,x0,b", "mpy -x0,x0,b", "mpyr -x0,x0,b", "mac -x0,x0,b", "macr -x0,x0,b",
304: "mpy +y0,y0,a", "mpyr +y0,y0,a", "mac +y0,y0,a", "macr +y0,y0,a", "mpy -y0,y0,a", "mpyr -y0,y0,a", "mac -y0,y0,a", "macr -y0,y0,a",
305: "mpy +y0,y0,b", "mpyr +y0,y0,b", "mac +y0,y0,b", "macr +y0,y0,b", "mpy -y0,y0,b", "mpyr -y0,y0,b", "mac -y0,y0,b", "macr -y0,y0,b",
306: "mpy +x1,x0,a", "mpyr +x1,x0,a", "mac +x1,x0,a", "macr +x1,x0,a", "mpy -x1,x0,a", "mpyr -x1,x0,a", "mac -x1,x0,a", "macr -x1,x0,a",
307: "mpy +x1,x0,b", "mpyr +x1,x0,b", "mac +x1,x0,b", "macr +x1,x0,b", "mpy -x1,x0,b", "mpyr -x1,x0,b", "mac -x1,x0,b", "macr -x1,x0,b",
308: "mpy +y1,y0,a", "mpyr +y1,y0,a", "mac +y1,y0,a", "macr +y1,y0,a", "mpy -y1,y0,a", "mpyr -y1,y0,a", "mac -y1,y0,a", "macr -y1,y0,a",
309: "mpy +y1,y0,b", "mpyr +y1,y0,b", "mac +y1,y0,b", "macr +y1,y0,b", "mpy -y1,y0,b", "mpyr -y1,y0,b", "mac -y1,y0,b", "macr -y1,y0,b",
1.1.1.3 root 310:
311: /* 0xc0 - 0xff */
1.1.1.5 root 312: "mpy +x0,y1,a", "mpyr +x0,y1,a", "mac +x0,y1,a", "macr +x0,y1,a", "mpy -x0,y1,a", "mpyr -x0,y1,a", "mac -x0,y1,a", "macr -x0,y1,a",
313: "mpy +x0,y1,b", "mpyr +x0,y1,b", "mac +x0,y1,b", "macr +x0,y1,b", "mpy -x0,y1,b", "mpyr -x0,y1,b", "mac -x0,y1,b", "macr -x0,y1,b",
314: "mpy +y0,x0,a", "mpyr +y0,x0,a", "mac +y0,x0,a", "macr +y0,x0,a", "mpy -y0,x0,a", "mpyr -y0,x0,a", "mac -y0,x0,a", "macr -y0,x0,a",
315: "mpy +y0,x0,b", "mpyr +y0,x0,b", "mac +y0,x0,b", "macr +y0,x0,b", "mpy -y0,x0,b", "mpyr -y0,x0,b", "mac -y0,x0,b", "macr -y0,x0,b",
316: "mpy +x1,y0,a", "mpyr +x1,y0,a", "mac +x1,y0,a", "macr +x1,y0,a", "mpy -x1,y0,a", "mpyr -x1,y0,a", "mac -x1,y0,a", "macr -x1,y0,a",
317: "mpy +x1,y0,b", "mpyr +x1,y0,b", "mac +x1,y0,b", "macr +x1,y0,b", "mpy -x1,y0,b", "mpyr -x1,y0,b", "mac -x1,y0,b", "macr -x1,y0,b",
318: "mpy +y1,x1,a", "mpyr +y1,x1,a", "mac +y1,x1,a", "macr +y1,x1,a", "mpy -y1,x1,a", "mpyr -y1,x1,a", "mac -y1,x1,a", "macr -y1,x1,a",
319: "mpy +y1,x1,b", "mpyr +y1,x1,b", "mac +y1,x1,b", "macr +y1,x1,b", "mpy -y1,x1,b", "mpyr -y1,x1,b", "mac -y1,x1,b", "macr -y1,x1,b"
1.1 root 320: };
321:
322:
1.1.1.5 root 323:
324: static const dsp_emul_t opcodes_parmove[16] = {
1.1 root 325: dsp_pm_0,
326: dsp_pm_1,
327: dsp_pm_2,
328: dsp_pm_2,
329: dsp_pm_4,
330: dsp_pm_4,
331: dsp_pm_4,
332: dsp_pm_4,
333:
334: dsp_pm_8,
335: dsp_pm_8,
336: dsp_pm_8,
337: dsp_pm_8,
338: dsp_pm_8,
339: dsp_pm_8,
340: dsp_pm_8,
341: dsp_pm_8
342: };
343:
1.1.1.5 root 344: static const int registers_tcc[16][2] = {
1.1 root 345: {DSP_REG_B,DSP_REG_A},
346: {DSP_REG_A,DSP_REG_B},
347: {DSP_REG_NULL,DSP_REG_NULL},
348: {DSP_REG_NULL,DSP_REG_NULL},
349:
350: {DSP_REG_NULL,DSP_REG_NULL},
351: {DSP_REG_NULL,DSP_REG_NULL},
352: {DSP_REG_NULL,DSP_REG_NULL},
353: {DSP_REG_NULL,DSP_REG_NULL},
354:
355: {DSP_REG_X0,DSP_REG_A},
356: {DSP_REG_X0,DSP_REG_B},
357: {DSP_REG_Y0,DSP_REG_A},
358: {DSP_REG_Y0,DSP_REG_B},
1.1.1.2 root 359:
360: {DSP_REG_X1,DSP_REG_A},
361: {DSP_REG_X1,DSP_REG_B},
1.1 root 362: {DSP_REG_Y1,DSP_REG_A},
363: {DSP_REG_Y1,DSP_REG_B}
364: };
365:
1.1.1.5 root 366: static const char *registers_lmove[8] = {
1.1 root 367: "a10",
368: "b10",
369: "x",
370: "y",
371: "a",
372: "b",
373: "ab",
374: "ba"
375: };
376:
1.1.1.5 root 377: static const char *ea_names[9] = {
1.1 root 378: "(r%d)-n%d", /* 000xxx */
379: "(r%d)+n%d", /* 001xxx */
380: "(r%d)-", /* 010xxx */
381: "(r%d)+", /* 011xxx */
382: "(r%d)", /* 100xxx */
383: "(r%d+n%d)", /* 101xxx */
1.1.1.5 root 384: "$%04x", /* 110000 */
1.1 root 385: "-(r%d)", /* 111xxx */
1.1.1.5 root 386: "$%06x" /* 110100 */
1.1 root 387: };
388:
1.1.1.5 root 389: static const char *cc_name[16] = {
1.1 root 390: "cc",
391: "ge",
392: "ne",
393: "pl",
394: "nn",
395: "ec",
396: "lc",
397: "gt",
398:
399: "cs",
400: "lt",
401: "eq",
402: "mi",
403: "nr",
404: "es",
405: "ls",
406: "le"
407: };
408:
1.1.1.4 root 409: void dsp56k_disasm_reg_save(void)
410: {
1.1.1.5 root 411: memcpy(registers_save, dsp_core.registers , sizeof(registers_save));
1.1.1.4 root 412: #if DSP_DISASM_REG_PC
1.1.1.5 root 413: pc_save = dsp_core.pc;
1.1.1.4 root 414: #endif
415: }
416:
1.1.1.9 root 417: void dsp56k_disasm_reg_compare(FILE *fp)
1.1.1.4 root 418: {
419: int i;
1.1.1.5 root 420: bool bRegA = false;
421: bool bRegB = false;
1.1.1.4 root 422:
1.1.1.5 root 423: for (i=4; i<64; i++) {
424: if (registers_save[i] == dsp_core.registers[i]) {
1.1.1.4 root 425: continue;
426: }
427:
428: switch(i) {
429: case DSP_REG_X0:
430: case DSP_REG_X1:
431: case DSP_REG_Y0:
432: case DSP_REG_Y1:
1.1.1.9 root 433: fprintf(fp, "\tReg: %s $%06x -> $%06x\n", registers_name[i], registers_save[i], dsp_core.registers[i]);
1.1.1.4 root 434: break;
435: case DSP_REG_R0:
436: case DSP_REG_R1:
437: case DSP_REG_R2:
438: case DSP_REG_R3:
439: case DSP_REG_R4:
440: case DSP_REG_R5:
441: case DSP_REG_R6:
442: case DSP_REG_R7:
443: case DSP_REG_M0:
444: case DSP_REG_M1:
445: case DSP_REG_M2:
446: case DSP_REG_M3:
447: case DSP_REG_M4:
448: case DSP_REG_M5:
449: case DSP_REG_M6:
450: case DSP_REG_M7:
451: case DSP_REG_N0:
452: case DSP_REG_N1:
453: case DSP_REG_N2:
454: case DSP_REG_N3:
455: case DSP_REG_N4:
456: case DSP_REG_N5:
457: case DSP_REG_N6:
458: case DSP_REG_N7:
459: case DSP_REG_SR:
460: case DSP_REG_LA:
461: case DSP_REG_LC:
1.1.1.9 root 462: fprintf(fp, "\tReg: %s $%04x -> $%04x\n", registers_name[i], registers_save[i], dsp_core.registers[i]);
1.1.1.4 root 463: break;
464: case DSP_REG_OMR:
465: case DSP_REG_SP:
466: case DSP_REG_SSH:
467: case DSP_REG_SSL:
1.1.1.9 root 468: fprintf(fp, "\tReg: %s $%02x -> $%02x\n", registers_name[i], registers_save[i], dsp_core.registers[i]);
1.1.1.4 root 469: break;
1.1.1.5 root 470: case DSP_REG_A0:
471: case DSP_REG_A1:
472: case DSP_REG_A2:
473: if (bRegA == false) {
1.1.1.9 root 474: fprintf(fp, "\tReg: a $%02x:%06x:%06x -> $%02x:%06x:%06x\n",
1.1.1.5 root 475: registers_save[DSP_REG_A2], registers_save[DSP_REG_A1], registers_save[DSP_REG_A0],
476: dsp_core.registers[DSP_REG_A2], dsp_core.registers[DSP_REG_A1], dsp_core.registers[DSP_REG_A0]
1.1.1.4 root 477: );
1.1.1.5 root 478: bRegA = true;
479: }
480: break;
481: case DSP_REG_B0:
482: case DSP_REG_B1:
483: case DSP_REG_B2:
484: if (bRegB == false) {
1.1.1.9 root 485: fprintf(fp, "\tReg: b $%02x:%06x:%06x -> $%02x:%06x:%06x\n",
1.1.1.5 root 486: registers_save[DSP_REG_B2], registers_save[DSP_REG_B1], registers_save[DSP_REG_B0],
487: dsp_core.registers[DSP_REG_B2], dsp_core.registers[DSP_REG_B1], dsp_core.registers[DSP_REG_B0]
488: );
489: bRegB = true;
1.1.1.4 root 490: }
491: break;
492: }
493: }
494:
495: #if DSP_DISASM_REG_PC
1.1.1.5 root 496: if (pc_save != dsp_core.pc) {
1.1.1.9 root 497: fprintf(fp, "\tReg: pc $%04x -> $%04x\n", pc_save, dsp_core.pc);
1.1.1.4 root 498: }
499: #endif
500: }
1.1 root 501:
1.1.1.9 root 502: Uint16 dsp56k_disasm(dsp_trace_disasm_t mode, FILE *fp)
1.1 root 503: {
1.1.1.2 root 504: Uint32 value;
1.1 root 505:
1.1.1.5 root 506: if (mode == DSP_TRACE_MODE) {
507: isInDisasmMode = false;
508: if (prev_inst_pc == dsp_core.pc) {
509: if (!isLooping) {
1.1.1.9 root 510: fprintf(fp, "Looping on DSP instruction at PC = $%04x\n", prev_inst_pc);
1.1.1.5 root 511: isLooping = true;
512: }
513: return 0;
514: }
515: }
516: else {
517: isInDisasmMode = true;
1.1.1.3 root 518: }
519:
1.1.1.5 root 520: prev_inst_pc = dsp_core.pc;
521: isLooping = false;
522:
523: cur_inst = read_memory(dsp_core.pc);
1.1.1.3 root 524: disasm_cur_inst_len = 1;
1.1 root 525:
526: strcpy(parallelmove_name, "");
527:
1.1.1.3 root 528: if (cur_inst < 0x100000) {
529: value = (cur_inst >> 11) & (BITMASK(6) << 3);
530: value += (cur_inst >> 5) & BITMASK(3);
1.1 root 531: opcodes8h[value]();
532: } else {
533: dsp_pm();
1.1.1.5 root 534: sprintf(str_instr, "%s %s", opcodes_alu[cur_inst & BITMASK(8)], parallelmove_name);
1.1.1.3 root 535: }
536: return disasm_cur_inst_len;
1.1 root 537: }
538:
1.1.1.4 root 539: /**
540: * dsp56k_getInstrText : return the disasembled instructions
541: */
1.1.1.5 root 542: const char* dsp56k_getInstructionText(void)
1.1.1.4 root 543: {
1.1.1.11! root 544: const int len = 50;
1.1.1.7 root 545: Uint64 count, cycles;
546: Uint16 cycle_diff;
547: float percentage;
1.1.1.6 root 548: int offset;
549:
1.1.1.4 root 550: if (isLooping) {
551: *str_instr2 = 0;
552: }
1.1.1.6 root 553: if (disasm_cur_inst_len == 1) {
554: offset = sprintf(str_instr2, "p:%04x %06x (%02d cyc) %-*s\n", prev_inst_pc, cur_inst, dsp_core.instr_cycle, len, str_instr);
555: } else {
556: offset = sprintf(str_instr2, "p:%04x %06x %06x (%02d cyc) %-*s\n", prev_inst_pc, cur_inst, read_memory(prev_inst_pc + 1), dsp_core.instr_cycle, len, str_instr);
557: }
1.1.1.7 root 558: if (offset > 2 && Profile_DspAddressData(prev_inst_pc, &percentage, &count, &cycles, &cycle_diff)) {
1.1.1.6 root 559: offset -= 2;
1.1.1.7 root 560: sprintf(str_instr2+offset, "%5.2f%% (%"PRId64", %"PRId64", %d)\n",
561: percentage, count, cycles, cycle_diff);
1.1.1.4 root 562: }
563: return str_instr2;
564: }
565:
1.1.1.3 root 566: static void dsp_pm_class2(void) {
567: dsp_pm();
1.1.1.5 root 568: sprintf(str_instr, "%s %s", opcodes_alu[cur_inst & BITMASK(8)], parallelmove_name);
1.1.1.3 root 569: }
570:
1.1.1.2 root 571: static Uint32 read_memory(Uint32 currPc)
572: {
573: Uint32 value;
574:
575: if (currPc<0x200) {
1.1.1.5 root 576: value = dsp_core.ramint[DSP_SPACE_P][currPc];
1.1.1.2 root 577: } else {
1.1.1.5 root 578: value = dsp_core.ramext[currPc & (DSP_RAMSIZE-1)];
1.1.1.2 root 579: }
580:
581: return value & BITMASK(24);
582: }
583:
1.1 root 584: /**********************************
585: * Conditions code calculation
586: **********************************/
587:
1.1.1.2 root 588: static void dsp_calc_cc(Uint32 cc_mode, char *dest)
1.1 root 589: {
590: strcpy(dest, cc_name[cc_mode & BITMASK(4)]);
591: }
592:
593: /**********************************
594: * Effective address calculation
595: **********************************/
596:
1.1.1.2 root 597: static int dsp_calc_ea(Uint32 ea_mode, char *dest)
1.1 root 598: {
599: int value, retour, numreg;
600:
601: value = (ea_mode >> 3) & BITMASK(3);
602: numreg = ea_mode & BITMASK(3);
603: retour = 0;
604: switch (value) {
605: case 0:
606: /* (Rx)-Nx */
607: sprintf(dest, ea_names[value], numreg, numreg);
608: break;
609: case 1:
610: /* (Rx)+Nx */
611: sprintf(dest, ea_names[value], numreg, numreg);
612: break;
613: case 5:
614: /* (Rx+Nx) */
615: sprintf(dest, ea_names[value], numreg, numreg);
616: break;
617: case 2:
618: /* (Rx)- */
619: sprintf(dest, ea_names[value], numreg);
620: break;
621: case 3:
622: /* (Rx)+ */
623: sprintf(dest, ea_names[value], numreg);
624: break;
625: case 4:
626: /* (Rx) */
627: sprintf(dest, ea_names[value], numreg);
628: break;
629: case 7:
630: /* -(Rx) */
631: sprintf(dest, ea_names[value], numreg);
632: break;
633: case 6:
1.1.1.3 root 634: disasm_cur_inst_len++;
1.1 root 635: switch ((ea_mode >> 2) & 1) {
636: case 0:
637: /* Absolute address */
1.1.1.5 root 638: sprintf(dest, ea_names[value], read_memory(dsp_core.pc+1));
1.1 root 639: break;
640: case 1:
641: /* Immediate value */
1.1.1.5 root 642: sprintf(dest, ea_names[8], read_memory(dsp_core.pc+1));
1.1 root 643: retour = 1;
644: break;
645: }
646: break;
647: }
648: return retour;
649: }
650:
651: static void opcode8h_0(void)
652: {
1.1.1.3 root 653: switch(cur_inst) {
654: case 0x000000:
655: dsp_nop();
1.1 root 656: break;
1.1.1.3 root 657: case 0x000004:
658: dsp_rti();
1.1 root 659: break;
1.1.1.3 root 660: case 0x000005:
661: dsp_illegal();
1.1 root 662: break;
1.1.1.3 root 663: case 0x000006:
664: dsp_swi();
665: break;
666: case 0x00000c:
667: dsp_rts();
668: break;
669: case 0x000084:
670: dsp_reset();
671: break;
672: case 0x000086:
673: dsp_wait();
674: break;
675: case 0x000087:
676: dsp_stop();
677: break;
678: case 0x00008c:
679: dsp_enddo();
1.1 root 680: break;
1.1.1.8 root 681: default:
682: dsp_undefined();
683: break;
1.1 root 684: }
685: }
686:
687: /**********************************
688: * Non-parallel moves instructions
689: **********************************/
690:
691: static void dsp_undefined(void)
692: {
1.1.1.5 root 693: /* In Disasm mode, display dc instruction_opcode */
694: if (isInDisasmMode)
695: sprintf(str_instr, "dc $%06x", cur_inst);
696: /* In trace mode, display unknown instruction */
697: else
698: sprintf(str_instr, "$%06x unknown instruction", cur_inst);
1.1 root 699: }
700:
701: static void dsp_andi(void)
702: {
703: switch(cur_inst & BITMASK(2)) {
704: case 0:
1.1.1.5 root 705: sprintf(str_instr, "andi #$%02x,mr", (cur_inst>>8) & BITMASK(8));
1.1 root 706: break;
707: case 1:
1.1.1.5 root 708: sprintf(str_instr, "andi #$%02x,ccr", (cur_inst>>8) & BITMASK(8));
1.1 root 709: break;
710: case 2:
1.1.1.5 root 711: sprintf(str_instr, "andi #$%02x,omr", (cur_inst>>8) & BITMASK(8));
1.1 root 712: break;
713: default:
714: break;
715: }
716: }
717:
1.1.1.3 root 718: static void dsp_bchg_aa(void)
719: {
720: /* bchg #n,x:aa */
721: /* bchg #n,y:aa */
722: char name[16];
723: Uint32 memspace, value, numbit;
724:
725: memspace = (cur_inst>>6) & 1;
726: value = (cur_inst>>8) & BITMASK(6);
727: numbit = cur_inst & BITMASK(5);
728:
729: if (memspace) {
1.1.1.5 root 730: sprintf(name,"y:$%04x",value);
1.1.1.3 root 731: } else {
1.1.1.5 root 732: sprintf(name,"x:$%04x",value);
1.1.1.3 root 733: }
734:
1.1.1.4 root 735: sprintf(str_instr,"bchg #%d,%s", numbit, name);
1.1.1.3 root 736: }
737:
738: static void dsp_bchg_ea(void)
1.1 root 739: {
1.1.1.3 root 740: /* bchg #n,x:ea */
741: /* bchg #n,y:ea */
1.1.1.11! root 742: char name[18], addr_name[16];
1.1.1.2 root 743: Uint32 memspace, value, numbit;
1.1 root 744:
745: memspace = (cur_inst>>6) & 1;
746: value = (cur_inst>>8) & BITMASK(6);
747: numbit = cur_inst & BITMASK(5);
748:
1.1.1.3 root 749: dsp_calc_ea(value, addr_name);
750: if (memspace) {
751: sprintf(name,"y:%s",addr_name);
752: } else {
753: sprintf(name,"x:%s",addr_name);
754: }
755:
1.1.1.4 root 756: sprintf(str_instr,"bchg #%d,%s", numbit, name);
1.1.1.3 root 757: }
758:
759: static void dsp_bchg_pp(void)
760: {
761: /* bchg #n,x:pp */
762: /* bchg #n,y:pp */
763: char name[16];
764: Uint32 memspace, value, numbit;
765:
766: memspace = (cur_inst>>6) & 1;
767: value = (cur_inst>>8) & BITMASK(6);
768: numbit = cur_inst & BITMASK(5);
769:
770: if (memspace) {
1.1.1.5 root 771: sprintf(name,"y:$%04x",value+0xffc0);
1.1.1.3 root 772: } else {
1.1.1.5 root 773: sprintf(name,"x:$%04x",value+0xffc0);
1.1 root 774: }
1.1.1.3 root 775:
1.1.1.4 root 776: sprintf(str_instr,"bchg #%d,%s", numbit, name);
1.1.1.3 root 777: }
778:
779: static void dsp_bchg_reg(void)
780: {
781: /* bchg #n,R */
1.1.1.4 root 782: Uint32 value, numbit;
1.1.1.3 root 783:
784: value = (cur_inst>>8) & BITMASK(6);
785: numbit = cur_inst & BITMASK(5);
1.1 root 786:
1.1.1.4 root 787: sprintf(str_instr,"bchg #%d,%s", numbit, registers_name[value]);
1.1 root 788: }
789:
1.1.1.3 root 790: static void dsp_bclr_aa(void)
1.1 root 791: {
1.1.1.3 root 792: /* bclr #n,x:aa */
793: /* bclr #n,y:aa */
794: char name[16];
1.1.1.2 root 795: Uint32 memspace, value, numbit;
1.1 root 796:
797: memspace = (cur_inst>>6) & 1;
798: value = (cur_inst>>8) & BITMASK(6);
799: numbit = cur_inst & BITMASK(5);
800:
1.1.1.3 root 801: if (memspace) {
1.1.1.5 root 802: sprintf(name,"y:$%04x",value);
1.1.1.3 root 803: } else {
1.1.1.5 root 804: sprintf(name,"x:$%04x",value);
1.1 root 805: }
806:
1.1.1.4 root 807: sprintf(str_instr,"bclr #%d,%s", numbit, name);
1.1 root 808: }
809:
1.1.1.3 root 810: static void dsp_bclr_ea(void)
1.1 root 811: {
1.1.1.3 root 812: /* bclr #n,x:ea */
813: /* bclr #n,y:ea */
1.1.1.11! root 814: char name[18], addr_name[16];
1.1.1.2 root 815: Uint32 memspace, value, numbit;
1.1 root 816:
817: memspace = (cur_inst>>6) & 1;
818: value = (cur_inst>>8) & BITMASK(6);
819: numbit = cur_inst & BITMASK(5);
820:
1.1.1.3 root 821: dsp_calc_ea(value, addr_name);
822: if (memspace) {
823: sprintf(name,"y:%s",addr_name);
824: } else {
825: sprintf(name,"x:%s",addr_name);
1.1 root 826: }
827:
1.1.1.4 root 828: sprintf(str_instr,"bclr #%d,%s", numbit, name);
1.1 root 829: }
830:
1.1.1.3 root 831: static void dsp_bclr_pp(void)
1.1 root 832: {
1.1.1.3 root 833: /* bclr #n,x:pp */
834: /* bclr #n,y:pp */
835: char name[16];
1.1.1.2 root 836: Uint32 memspace, value, numbit;
1.1 root 837:
838: memspace = (cur_inst>>6) & 1;
839: value = (cur_inst>>8) & BITMASK(6);
840: numbit = cur_inst & BITMASK(5);
841:
1.1.1.3 root 842: if (memspace) {
1.1.1.5 root 843: sprintf(name,"y:$%04x",value+0xffc0);
1.1.1.3 root 844: } else {
1.1.1.5 root 845: sprintf(name,"x:$%04x",value+0xffc0);
1.1 root 846: }
847:
1.1.1.4 root 848: sprintf(str_instr,"bclr #%d,%s", numbit, name);
1.1 root 849: }
850:
1.1.1.3 root 851: static void dsp_bclr_reg(void)
1.1 root 852: {
1.1.1.3 root 853: /* bclr #n,R */
1.1.1.4 root 854: Uint32 value, numbit;
1.1 root 855:
1.1.1.3 root 856: value = (cur_inst>>8) & BITMASK(6);
857: numbit = cur_inst & BITMASK(5);
858:
1.1.1.4 root 859: sprintf(str_instr,"bclr #%d,%s", numbit, registers_name[value]);
1.1.1.3 root 860: }
861:
862: static void dsp_bset_aa(void)
863: {
864: /* bset #n,x:aa */
865: /* bset #n,y:aa */
866: char name[16];
867: Uint32 memspace, value, numbit;
868:
869: memspace = (cur_inst>>6) & 1;
870: value = (cur_inst>>8) & BITMASK(6);
871: numbit = cur_inst & BITMASK(5);
872:
873: if (memspace) {
1.1.1.5 root 874: sprintf(name,"y:$%04x",value);
1.1.1.3 root 875: } else {
1.1.1.5 root 876: sprintf(name,"x:$%04x",value);
1.1 root 877: }
1.1.1.3 root 878:
1.1.1.4 root 879: sprintf(str_instr,"bset #%d,%s", numbit, name);
1.1.1.3 root 880: }
881:
882: static void dsp_bset_ea(void)
883: {
884: /* bset #n,x:ea */
885: /* bset #n,y:ea */
1.1.1.11! root 886: char name[18], addr_name[16];
1.1.1.3 root 887: Uint32 memspace, value, numbit;
888:
889: memspace = (cur_inst>>6) & 1;
890: value = (cur_inst>>8) & BITMASK(6);
891: numbit = cur_inst & BITMASK(5);
892:
893: dsp_calc_ea(value, addr_name);
894: if (memspace) {
895: sprintf(name,"y:%s",addr_name);
896: } else {
897: sprintf(name,"x:%s",addr_name);
898: }
899:
1.1.1.4 root 900: sprintf(str_instr,"bset #%d,%s", numbit, name);
1.1.1.3 root 901: }
902:
903: static void dsp_bset_pp(void)
904: {
905: /* bset #n,x:pp */
906: /* bset #n,y:pp */
907: char name[16];
908: Uint32 memspace, value, numbit;
909:
910: memspace = (cur_inst>>6) & 1;
911: value = (cur_inst>>8) & BITMASK(6);
912: numbit = cur_inst & BITMASK(5);
913:
914: if (memspace) {
1.1.1.5 root 915: sprintf(name,"y:$%04x",value+0xffc0);
1.1.1.3 root 916: } else {
1.1.1.5 root 917: sprintf(name,"x:$%04x",value+0xffc0);
1.1.1.3 root 918: }
919:
1.1.1.4 root 920: sprintf(str_instr,"bset #%d,%s", numbit, name);
1.1.1.3 root 921: }
922:
923: static void dsp_bset_reg(void)
924: {
925: /* bset #n,R */
1.1.1.4 root 926: Uint32 value, numbit;
1.1.1.3 root 927:
928: value = (cur_inst>>8) & BITMASK(6);
929: numbit = cur_inst & BITMASK(5);
930:
1.1.1.4 root 931: sprintf(str_instr,"bset #%d,%s", numbit, registers_name[value]);
1.1.1.3 root 932: }
933:
934: static void dsp_btst_aa(void)
935: {
936: /* btst #n,x:aa */
937: /* btst #n,y:aa */
938: char name[16];
939: Uint32 memspace, value, numbit;
940:
941: memspace = (cur_inst>>6) & 1;
942: value = (cur_inst>>8) & BITMASK(6);
943: numbit = cur_inst & BITMASK(5);
944:
945: if (memspace) {
1.1.1.5 root 946: sprintf(name,"y:$%04x",value);
1.1.1.3 root 947: } else {
1.1.1.5 root 948: sprintf(name,"x:$%04x",value);
1.1.1.3 root 949: }
950:
1.1.1.4 root 951: sprintf(str_instr,"btst #%d,%s", numbit, name);
1.1.1.3 root 952: }
953:
954: static void dsp_btst_ea(void)
955: {
956: /* btst #n,x:ea */
957: /* btst #n,y:ea */
1.1.1.11! root 958: char name[18], addr_name[16];
1.1.1.3 root 959: Uint32 memspace, value, numbit;
960:
961: memspace = (cur_inst>>6) & 1;
962: value = (cur_inst>>8) & BITMASK(6);
963: numbit = cur_inst & BITMASK(5);
964:
965: dsp_calc_ea(value, addr_name);
966: if (memspace) {
967: sprintf(name,"y:%s",addr_name);
968: } else {
969: sprintf(name,"x:%s",addr_name);
970: }
971:
1.1.1.4 root 972: sprintf(str_instr,"btst #%d,%s", numbit, name);
1.1.1.3 root 973: }
974:
975: static void dsp_btst_pp(void)
976: {
977: /* btst #n,x:pp */
978: /* btst #n,y:pp */
979: char name[16];
980: Uint32 memspace, value, numbit;
981:
982: memspace = (cur_inst>>6) & 1;
983: value = (cur_inst>>8) & BITMASK(6);
984: numbit = cur_inst & BITMASK(5);
985:
986: if (memspace) {
1.1.1.5 root 987: sprintf(name,"y:$%04x",value+0xffc0);
1.1.1.3 root 988: } else {
1.1.1.5 root 989: sprintf(name,"x:$%04x",value+0xffc0);
1.1.1.3 root 990: }
991:
1.1.1.4 root 992: sprintf(str_instr,"btst #%d,%s", numbit, name);
1.1.1.3 root 993: }
994:
995: static void dsp_btst_reg(void)
996: {
997: /* btst #n,R */
1.1.1.4 root 998: Uint32 value, numbit;
1.1.1.3 root 999:
1000: value = (cur_inst>>8) & BITMASK(6);
1001: numbit = cur_inst & BITMASK(5);
1002:
1.1.1.4 root 1003: sprintf(str_instr,"btst #%d,%s", numbit, registers_name[value]);
1.1.1.3 root 1004: }
1005:
1006: static void dsp_div(void)
1007: {
1008: Uint32 srcreg=DSP_REG_NULL, destreg;
1009:
1010: switch((cur_inst>>4) & BITMASK(2)) {
1011: case 0:
1012: srcreg = DSP_REG_X0;
1013: break;
1014: case 1:
1015: srcreg = DSP_REG_Y0;
1016: break;
1017: case 2:
1018: srcreg = DSP_REG_X1;
1019: break;
1020: case 3:
1021: srcreg = DSP_REG_Y1;
1022: break;
1023: }
1024: destreg = DSP_REG_A+((cur_inst>>3) & 1);
1025:
1.1.1.4 root 1026: sprintf(str_instr,"div %s,%s", registers_name[srcreg],registers_name[destreg]);
1.1.1.3 root 1027: }
1028:
1029: static void dsp_do_aa(void)
1030: {
1031: char name[16];
1032:
1033: disasm_cur_inst_len++;
1034:
1035: if (cur_inst & (1<<6)) {
1.1.1.5 root 1036: sprintf(name, "y:$%04x", (cur_inst>>8) & BITMASK(6));
1.1.1.3 root 1037: } else {
1.1.1.5 root 1038: sprintf(name, "x:$%04x", (cur_inst>>8) & BITMASK(6));
1.1.1.3 root 1039: }
1040:
1.1.1.5 root 1041: sprintf(str_instr,"do %s,p:$%04x",
1.1.1.3 root 1042: name,
1.1.1.5 root 1043: read_memory(dsp_core.pc+1)
1.1.1.3 root 1044: );
1.1.1.4 root 1045: }
1.1.1.3 root 1046:
1047: static void dsp_do_imm(void)
1048: {
1049: disasm_cur_inst_len++;
1050:
1.1.1.5 root 1051: sprintf(str_instr,"do #$%04x,p:$%04x",
1.1.1.3 root 1052: ((cur_inst>>8) & BITMASK(8))|((cur_inst & BITMASK(4))<<8),
1.1.1.5 root 1053: read_memory(dsp_core.pc+1)
1.1.1.3 root 1054: );
1.1.1.4 root 1055: }
1.1.1.3 root 1056:
1057: static void dsp_do_ea(void)
1058: {
1.1.1.11! root 1059: char addr_name[16], name[18];
1.1.1.3 root 1060: Uint32 ea_mode;
1061:
1062: disasm_cur_inst_len++;
1063:
1064: ea_mode = (cur_inst>>8) & BITMASK(6);
1065: dsp_calc_ea(ea_mode, addr_name);
1066:
1067: if (cur_inst & (1<<6)) {
1068: sprintf(name, "y:%s", addr_name);
1069: } else {
1070: sprintf(name, "x:%s", addr_name);
1071: }
1072:
1.1.1.5 root 1073: sprintf(str_instr,"do %s,p:$%04x",
1.1.1.3 root 1074: name,
1.1.1.5 root 1075: read_memory(dsp_core.pc+1)
1.1.1.3 root 1076: );
1.1.1.4 root 1077: }
1.1.1.3 root 1078:
1079: static void dsp_do_reg(void)
1080: {
1081: disasm_cur_inst_len++;
1082:
1.1.1.5 root 1083: sprintf(str_instr,"do %s,p:$%04x",
1.1.1.3 root 1084: registers_name[(cur_inst>>8) & BITMASK(6)],
1.1.1.5 root 1085: read_memory(dsp_core.pc+1)
1.1.1.3 root 1086: );
1.1.1.4 root 1087: }
1.1.1.3 root 1088:
1089: static void dsp_enddo(void)
1090: {
1.1.1.4 root 1091: sprintf(str_instr,"enddo");
1.1.1.3 root 1092: }
1093:
1094: static void dsp_illegal(void)
1095: {
1.1.1.4 root 1096: sprintf(str_instr,"illegal");
1.1.1.3 root 1097: }
1098:
1099: static void dsp_jcc_ea(void)
1100: {
1101: char cond_name[16], addr_name[16];
1102: Uint32 cc_code=0;
1103:
1104: dsp_calc_ea((cur_inst >>8) & BITMASK(6), addr_name);
1105: cc_code=cur_inst & BITMASK(4);
1106: dsp_calc_cc(cc_code, cond_name);
1107:
1.1.1.4 root 1108: sprintf(str_instr,"j%s p:%s", cond_name, addr_name);
1.1.1.3 root 1109: }
1110:
1111: static void dsp_jcc_imm(void)
1112: {
1113: char cond_name[16], addr_name[16];
1114: Uint32 cc_code=0;
1115:
1.1.1.5 root 1116: sprintf(addr_name, "$%04x", cur_inst & BITMASK(12));
1.1.1.3 root 1117: cc_code=(cur_inst>>12) & BITMASK(4);
1118: dsp_calc_cc(cc_code, cond_name);
1119:
1.1.1.4 root 1120: sprintf(str_instr,"j%s p:%s", cond_name, addr_name);
1.1.1.3 root 1121: }
1122:
1123: static void dsp_jclr_aa(void)
1124: {
1125: /* jclr #n,x:aa,p:xx */
1126: /* jclr #n,y:aa,p:xx */
1127: char srcname[16];
1128: Uint32 memspace, value, numbit;
1129:
1130: disasm_cur_inst_len++;
1131:
1132: memspace = (cur_inst>>6) & 1;
1133: value = (cur_inst>>8) & BITMASK(6);
1134: numbit = cur_inst & BITMASK(5);
1135:
1136: if (memspace) {
1.1.1.5 root 1137: sprintf(srcname, "y:$%04x", value);
1.1.1.3 root 1138: } else {
1.1.1.5 root 1139: sprintf(srcname, "x:$%04x", value);
1.1.1.3 root 1140: }
1141:
1.1.1.5 root 1142: sprintf(str_instr,"jclr #%d,%s,p:$%04x",
1.1.1.3 root 1143: numbit,
1144: srcname,
1.1.1.5 root 1145: read_memory(dsp_core.pc+1)
1.1.1.3 root 1146: );
1147: }
1148:
1149: static void dsp_jclr_ea(void)
1150: {
1151: /* jclr #n,x:ea,p:xx */
1152: /* jclr #n,y:ea,p:xx */
1.1.1.11! root 1153: char srcname[18], addr_name[16];
1.1.1.3 root 1154: Uint32 memspace, value, numbit;
1155:
1156: disasm_cur_inst_len++;
1157:
1158: memspace = (cur_inst>>6) & 1;
1159: value = (cur_inst>>8) & BITMASK(6);
1160: numbit = cur_inst & BITMASK(5);
1161:
1162: dsp_calc_ea(value, addr_name);
1163: if (memspace) {
1164: sprintf(srcname, "y:%s", addr_name);
1165: } else {
1166: sprintf(srcname, "x:%s", addr_name);
1167: }
1168:
1.1.1.5 root 1169: sprintf(str_instr,"jclr #%d,%s,p:$%04x",
1.1.1.3 root 1170: numbit,
1171: srcname,
1.1.1.5 root 1172: read_memory(dsp_core.pc+1)
1.1.1.3 root 1173: );
1174: }
1175:
1176: static void dsp_jclr_pp(void)
1177: {
1178: /* jclr #n,x:pp,p:xx */
1179: /* jclr #n,y:pp,p:xx */
1180: char srcname[16];
1181: Uint32 memspace, value, numbit;
1182:
1183: disasm_cur_inst_len++;
1184:
1185: memspace = (cur_inst>>6) & 1;
1186: value = (cur_inst>>8) & BITMASK(6);
1187: numbit = cur_inst & BITMASK(5);
1188:
1189: value += 0xffc0;
1190: if (memspace) {
1.1.1.5 root 1191: sprintf(srcname, "y:$%04x", value);
1.1.1.3 root 1192: } else {
1.1.1.5 root 1193: sprintf(srcname, "x:$%04x", value);
1.1.1.3 root 1194: }
1195:
1.1.1.5 root 1196: sprintf(str_instr,"jclr #%d,%s,p:$%04x",
1.1.1.3 root 1197: numbit,
1198: srcname,
1.1.1.5 root 1199: read_memory(dsp_core.pc+1)
1.1.1.3 root 1200: );
1201: }
1202:
1203: static void dsp_jclr_reg(void)
1204: {
1205: /* jclr #n,R,p:xx */
1.1.1.4 root 1206: Uint32 value, numbit;
1.1.1.3 root 1207:
1208: disasm_cur_inst_len++;
1209:
1210: value = (cur_inst>>8) & BITMASK(6);
1211: numbit = cur_inst & BITMASK(5);
1212:
1.1.1.5 root 1213: sprintf(str_instr,"jclr #%d,%s,p:$%04x",
1.1.1.3 root 1214: numbit,
1.1.1.4 root 1215: registers_name[value],
1.1.1.5 root 1216: read_memory(dsp_core.pc+1)
1.1.1.3 root 1217: );
1218: }
1219:
1220: static void dsp_jmp_imm(void)
1221: {
1.1.1.5 root 1222: sprintf(str_instr,"jmp p:$%04x", cur_inst & BITMASK(12));
1.1.1.3 root 1223: }
1224:
1225: static void dsp_jmp_ea(void)
1226: {
1227: char dstname[16];
1228:
1229: dsp_calc_ea((cur_inst >>8) & BITMASK(6), dstname);
1230:
1.1.1.4 root 1231: sprintf(str_instr,"jmp p:%s", dstname);
1.1.1.3 root 1232: }
1233:
1234: static void dsp_jscc_ea(void)
1235: {
1236: char cond_name[16], addr_name[16];
1237: Uint32 cc_code=0;
1238:
1239: dsp_calc_ea((cur_inst>>8) & BITMASK(6), addr_name);
1240: cc_code=cur_inst & BITMASK(4);
1241: dsp_calc_cc(cc_code, cond_name);
1242:
1.1.1.4 root 1243: sprintf(str_instr,"js%s p:%s", cond_name, addr_name);
1.1.1.3 root 1244: }
1245:
1246: static void dsp_jscc_imm(void)
1247: {
1248: char cond_name[16], addr_name[16];
1249: Uint32 cc_code=0;
1250:
1.1.1.5 root 1251: sprintf(addr_name, "$%04x", cur_inst & BITMASK(12));
1.1.1.3 root 1252: cc_code=(cur_inst>>12) & BITMASK(4);
1253: dsp_calc_cc(cc_code, cond_name);
1254:
1.1.1.4 root 1255: sprintf(str_instr,"js%s p:%s", cond_name, addr_name);
1.1.1.3 root 1256: }
1257:
1258: static void dsp_jsclr_aa(void)
1259: {
1260: /* jsclr #n,x:aa,p:xx */
1261: /* jsclr #n,y:aa,p:xx */
1262: char srcname[16];
1263: Uint32 memspace, value, numbit;
1264:
1265: disasm_cur_inst_len++;
1266:
1267: memspace = (cur_inst>>6) & 1;
1268: value = (cur_inst>>8) & BITMASK(6);
1269: numbit = cur_inst & BITMASK(5);
1270:
1271: if (memspace) {
1.1.1.5 root 1272: sprintf(srcname, "y:$%04x", value);
1.1.1.3 root 1273: } else {
1.1.1.5 root 1274: sprintf(srcname, "x:$%04x", value);
1.1.1.3 root 1275: }
1276:
1.1.1.5 root 1277: sprintf(str_instr,"jsclr #%d,%s,p:$%04x",
1.1.1.3 root 1278: numbit,
1279: srcname,
1.1.1.5 root 1280: read_memory(dsp_core.pc+1)
1.1.1.3 root 1281: );
1282: }
1283:
1284: static void dsp_jsclr_ea(void)
1285: {
1286: /* jsclr #n,x:ea,p:xx */
1287: /* jsclr #n,y:ea,p:xx */
1.1.1.11! root 1288: char srcname[18], addr_name[16];
1.1.1.3 root 1289: Uint32 memspace, value, numbit;
1290:
1291: disasm_cur_inst_len++;
1292:
1293: memspace = (cur_inst>>6) & 1;
1294: value = (cur_inst>>8) & BITMASK(6);
1295: numbit = cur_inst & BITMASK(5);
1296:
1297: dsp_calc_ea(value, addr_name);
1298: if (memspace) {
1299: sprintf(srcname, "y:%s", addr_name);
1300: } else {
1301: sprintf(srcname, "x:%s", addr_name);
1302: }
1303:
1.1.1.5 root 1304: sprintf(str_instr,"jsclr #%d,%s,p:$%04x",
1.1.1.3 root 1305: numbit,
1306: srcname,
1.1.1.5 root 1307: read_memory(dsp_core.pc+1)
1.1.1.3 root 1308: );
1.1 root 1309: }
1310:
1.1.1.3 root 1311: static void dsp_jsclr_pp(void)
1.1 root 1312: {
1.1.1.3 root 1313: /* jsclr #n,x:pp,p:xx */
1314: /* jsclr #n,y:pp,p:xx */
1315: char srcname[16];
1316: Uint32 memspace, value, numbit;
1.1 root 1317:
1.1.1.3 root 1318: disasm_cur_inst_len++;
1.1 root 1319:
1.1.1.3 root 1320: memspace = (cur_inst>>6) & 1;
1321: value = (cur_inst>>8) & BITMASK(6);
1322: numbit = cur_inst & BITMASK(5);
1.1 root 1323:
1.1.1.3 root 1324: value += 0xffc0;
1325: if (memspace) {
1.1.1.5 root 1326: sprintf(srcname, "y:$%04x", value);
1.1 root 1327: } else {
1.1.1.5 root 1328: sprintf(srcname, "x:$%04x", value);
1.1 root 1329: }
1330:
1.1.1.5 root 1331: sprintf(str_instr,"jsclr #%d,%s,p:$%04x",
1.1.1.3 root 1332: numbit,
1333: srcname,
1.1.1.5 root 1334: read_memory(dsp_core.pc+1)
1.1 root 1335: );
1336: }
1337:
1.1.1.3 root 1338: static void dsp_jsclr_reg(void)
1.1 root 1339: {
1.1.1.3 root 1340: /* jsclr #n,R,p:xx */
1.1.1.4 root 1341: Uint32 value, numbit;
1.1.1.3 root 1342:
1343: disasm_cur_inst_len++;
1344:
1345: value = (cur_inst>>8) & BITMASK(6);
1346: numbit = cur_inst & BITMASK(5);
1347:
1.1.1.5 root 1348: sprintf(str_instr,"jsclr #%d,%s,p:$%04x",
1.1.1.3 root 1349: numbit,
1.1.1.4 root 1350: registers_name[value],
1.1.1.5 root 1351: read_memory(dsp_core.pc+1)
1.1 root 1352: );
1353: }
1354:
1.1.1.3 root 1355: static void dsp_jset_aa(void)
1.1 root 1356: {
1.1.1.3 root 1357: /* jset #n,x:aa,p:xx */
1358: /* jset #n,y:aa,p:xx */
1359: char srcname[16];
1360: Uint32 memspace, value, numbit;
1.1 root 1361:
1.1.1.3 root 1362: disasm_cur_inst_len++;
1.1 root 1363:
1.1.1.3 root 1364: memspace = (cur_inst>>6) & 1;
1365: value = (cur_inst>>8) & BITMASK(6);
1366: numbit = cur_inst & BITMASK(5);
1367:
1368: if (memspace) {
1.1.1.5 root 1369: sprintf(srcname, "y:$%04x", value);
1.1 root 1370: } else {
1.1.1.5 root 1371: sprintf(srcname, "x:$%04x", value);
1.1 root 1372: }
1373:
1.1.1.5 root 1374: sprintf(str_instr,"jset #%d,%s,p:$%04x",
1.1.1.3 root 1375: numbit,
1376: srcname,
1.1.1.5 root 1377: read_memory(dsp_core.pc+1)
1.1 root 1378: );
1379: }
1380:
1.1.1.3 root 1381: static void dsp_jset_ea(void)
1.1 root 1382: {
1.1.1.3 root 1383: /* jset #n,x:ea,p:xx */
1384: /* jset #n,y:ea,p:xx */
1.1.1.11! root 1385: char srcname[18], addr_name[16];
1.1.1.3 root 1386: Uint32 memspace, value, numbit;
1387:
1388: disasm_cur_inst_len++;
1389:
1390: memspace = (cur_inst>>6) & 1;
1391: value = (cur_inst>>8) & BITMASK(6);
1392: numbit = cur_inst & BITMASK(5);
1393:
1394: dsp_calc_ea(value, addr_name);
1395: if (memspace) {
1396: sprintf(srcname, "y:%s", addr_name);
1397: } else {
1398: sprintf(srcname, "x:%s", addr_name);
1399: }
1400:
1.1.1.5 root 1401: sprintf(str_instr,"jset #%d,%s,p:$%04x",
1.1.1.3 root 1402: numbit,
1403: srcname,
1.1.1.5 root 1404: read_memory(dsp_core.pc+1)
1.1 root 1405: );
1406: }
1407:
1.1.1.3 root 1408: static void dsp_jset_pp(void)
1.1 root 1409: {
1.1.1.3 root 1410: /* jset #n,x:pp,p:xx */
1411: /* jset #n,y:pp,p:xx */
1412: char srcname[16];
1413: Uint32 memspace, value, numbit;
1414:
1415: disasm_cur_inst_len++;
1.1 root 1416:
1.1.1.3 root 1417: memspace = (cur_inst>>6) & 1;
1418: value = (cur_inst>>8) & BITMASK(6);
1419: numbit = cur_inst & BITMASK(5);
1.1 root 1420:
1.1.1.3 root 1421: value += 0xffc0;
1422: if (memspace) {
1.1.1.5 root 1423: sprintf(srcname, "y:$%04x", value);
1.1.1.3 root 1424: } else {
1.1.1.5 root 1425: sprintf(srcname, "x:$%04x", value);
1.1 root 1426: }
1427:
1.1.1.5 root 1428: sprintf(str_instr,"jset #%d,%s,p:$%04x",
1.1.1.3 root 1429: numbit,
1430: srcname,
1.1.1.5 root 1431: read_memory(dsp_core.pc+1)
1.1.1.3 root 1432: );
1.1 root 1433: }
1434:
1.1.1.3 root 1435: static void dsp_jset_reg(void)
1.1 root 1436: {
1.1.1.3 root 1437: /* jset #n,R,p:xx */
1.1.1.4 root 1438: Uint32 value, numbit;
1.1 root 1439:
1.1.1.3 root 1440: disasm_cur_inst_len++;
1441:
1.1 root 1442: value = (cur_inst>>8) & BITMASK(6);
1443: numbit = cur_inst & BITMASK(5);
1444:
1.1.1.5 root 1445: sprintf(str_instr,"jset #%d,%s,p:$%04x",
1.1 root 1446: numbit,
1.1.1.4 root 1447: registers_name[value],
1.1.1.5 root 1448: read_memory(dsp_core.pc+1)
1.1 root 1449: );
1450: }
1451:
1.1.1.3 root 1452: static void dsp_jsr_imm(void)
1.1 root 1453: {
1.1.1.5 root 1454: sprintf(str_instr,"jsr p:$%04x", cur_inst & BITMASK(12));
1.1 root 1455: }
1456:
1.1.1.3 root 1457: static void dsp_jsr_ea(void)
1.1 root 1458: {
1.1.1.3 root 1459: char dstname[16];
1.1 root 1460:
1.1.1.3 root 1461: dsp_calc_ea((cur_inst>>8) & BITMASK(6),dstname);
1462:
1.1.1.4 root 1463: sprintf(str_instr,"jsr p:%s", dstname);
1.1 root 1464: }
1.1.1.3 root 1465:
1466: static void dsp_jsset_aa(void)
1.1 root 1467: {
1.1.1.3 root 1468: /* jsset #n,x:aa,p:xx */
1469: /* jsset #n,y:aa,p:xx */
1470: char srcname[16];
1.1.1.2 root 1471: Uint32 memspace, value, numbit;
1.1 root 1472:
1.1.1.3 root 1473: disasm_cur_inst_len++;
1474:
1.1 root 1475: memspace = (cur_inst>>6) & 1;
1476: value = (cur_inst>>8) & BITMASK(6);
1477: numbit = cur_inst & BITMASK(5);
1478:
1.1.1.3 root 1479: if (memspace) {
1.1.1.5 root 1480: sprintf(srcname, "y:$%04x", value);
1.1.1.3 root 1481: } else {
1.1.1.5 root 1482: sprintf(srcname, "x:$%04x", value);
1.1 root 1483: }
1484:
1.1.1.5 root 1485: sprintf(str_instr,"jsset #%d,%s,p:$%04x",
1.1 root 1486: numbit,
1487: srcname,
1.1.1.5 root 1488: read_memory(dsp_core.pc+1)
1.1 root 1489: );
1490: }
1491:
1.1.1.3 root 1492: static void dsp_jsset_ea(void)
1.1 root 1493: {
1.1.1.3 root 1494: /* jsset #n,x:ea,p:xx */
1495: /* jsset #n,y:ea,p:xx */
1.1.1.11! root 1496: char srcname[18], addr_name[16];
1.1.1.2 root 1497: Uint32 memspace, value, numbit;
1.1 root 1498:
1.1.1.3 root 1499: disasm_cur_inst_len++;
1500:
1.1 root 1501: memspace = (cur_inst>>6) & 1;
1502: value = (cur_inst>>8) & BITMASK(6);
1503: numbit = cur_inst & BITMASK(5);
1504:
1.1.1.3 root 1505: dsp_calc_ea(value, addr_name);
1506: if (memspace) {
1507: sprintf(srcname, "y:%s", addr_name);
1508: } else {
1509: sprintf(srcname, "x:%s", addr_name);
1.1 root 1510: }
1511:
1.1.1.5 root 1512: sprintf(str_instr,"jsset #%d,%s,p:$%04x",
1.1 root 1513: numbit,
1514: srcname,
1.1.1.5 root 1515: read_memory(dsp_core.pc+1)
1.1 root 1516: );
1517: }
1518:
1.1.1.3 root 1519: static void dsp_jsset_pp(void)
1.1 root 1520: {
1.1.1.3 root 1521: /* jsset #n,x:pp,p:xx */
1522: /* jsset #n,y:pp,p:xx */
1523: char srcname[16];
1524: Uint32 memspace, value, numbit;
1525:
1526: disasm_cur_inst_len++;
1527:
1528: memspace = (cur_inst>>6) & 1;
1529: value = (cur_inst>>8) & BITMASK(6);
1530: numbit = cur_inst & BITMASK(5);
1.1 root 1531:
1.1.1.3 root 1532: value += 0xffc0;
1533: if (memspace) {
1.1.1.5 root 1534: sprintf(srcname, "y:$%04x", value);
1.1 root 1535: } else {
1.1.1.5 root 1536: sprintf(srcname, "x:$%04x", value);
1.1 root 1537: }
1538:
1.1.1.5 root 1539: sprintf(str_instr,"jsset #%d,%s,p:$%04x",
1.1.1.3 root 1540: numbit,
1541: srcname,
1.1.1.5 root 1542: read_memory(dsp_core.pc+1)
1.1.1.3 root 1543: );
1.1 root 1544: }
1545:
1.1.1.3 root 1546: static void dsp_jsset_reg(void)
1.1 root 1547: {
1.1.1.3 root 1548: /* jsset #n,r,p:xx */
1.1.1.4 root 1549: Uint32 value, numbit;
1.1 root 1550:
1.1.1.3 root 1551: disasm_cur_inst_len++;
1552:
1.1 root 1553: value = (cur_inst>>8) & BITMASK(6);
1554: numbit = cur_inst & BITMASK(5);
1555:
1.1.1.5 root 1556: sprintf(str_instr,"jsset #%d,%s,p:$%04x",
1.1 root 1557: numbit,
1.1.1.4 root 1558: registers_name[value],
1.1.1.5 root 1559: read_memory(dsp_core.pc+1)
1.1 root 1560: );
1561: }
1562:
1563: static void dsp_lua(void)
1564: {
1565: char addr_name[16], numreg;
1566:
1567: dsp_calc_ea((cur_inst>>8) & BITMASK(5), addr_name);
1568: numreg = cur_inst & BITMASK(3);
1569:
1.1.1.5 root 1570: if (cur_inst & (1<<3))
1571: sprintf(str_instr,"lua %s,n%d", addr_name, numreg);
1572: else
1573: sprintf(str_instr,"lua %s,r%d", addr_name, numreg);
1.1 root 1574: }
1575:
1.1.1.3 root 1576: static void dsp_movec_reg(void)
1.1 root 1577: {
1.1.1.2 root 1578: Uint32 numreg1, numreg2;
1.1 root 1579:
1580: /* S1,D2 */
1581: /* S2,D1 */
1582:
1583: numreg2 = (cur_inst>>8) & BITMASK(6);
1.1.1.3 root 1584: numreg1 = cur_inst & BITMASK(6);
1.1 root 1585:
1586: if (cur_inst & (1<<15)) {
1587: /* Write D1 */
1.1.1.4 root 1588: sprintf(str_instr,"movec %s,%s", registers_name[numreg2], registers_name[numreg1]);
1.1 root 1589: } else {
1590: /* Read S1 */
1.1.1.4 root 1591: sprintf(str_instr,"movec %s,%s", registers_name[numreg1], registers_name[numreg2]);
1.1 root 1592: }
1593: }
1594:
1.1.1.3 root 1595: static void dsp_movec_aa(void)
1.1 root 1596: {
1597: const char *spacename;
1598: char srcname[16],dstname[16];
1.1.1.2 root 1599: Uint32 numreg, addr;
1.1 root 1600:
1601: /* x:aa,D1 */
1602: /* S1,x:aa */
1603: /* y:aa,D1 */
1604: /* S1,y:aa */
1605:
1.1.1.3 root 1606: numreg = cur_inst & BITMASK(6);
1.1 root 1607: addr = (cur_inst>>8) & BITMASK(6);
1608:
1609: if (cur_inst & (1<<6)) {
1610: spacename="y";
1611: } else {
1612: spacename="x";
1613: }
1614:
1615: if (cur_inst & (1<<15)) {
1616: /* Write D1 */
1.1.1.5 root 1617: sprintf(srcname, "%s:$%04x", spacename, addr);
1.1 root 1618: strcpy(dstname, registers_name[numreg]);
1619: } else {
1620: /* Read S1 */
1621: strcpy(srcname, registers_name[numreg]);
1.1.1.5 root 1622: sprintf(dstname, "%s:$%04x", spacename, addr);
1.1 root 1623: }
1624:
1.1.1.4 root 1625: sprintf(str_instr,"movec %s,%s", srcname, dstname);
1.1 root 1626: }
1627:
1.1.1.3 root 1628: static void dsp_movec_imm(void)
1.1 root 1629: {
1.1.1.2 root 1630: Uint32 numreg;
1.1 root 1631:
1632: /* #xx,D1 */
1633:
1.1.1.3 root 1634: numreg = cur_inst & BITMASK(6);
1.1 root 1635:
1.1.1.5 root 1636: sprintf(str_instr,"movec #$%02x,%s", (cur_inst>>8) & BITMASK(8), registers_name[numreg]);
1.1 root 1637: }
1638:
1.1.1.3 root 1639: static void dsp_movec_ea(void)
1.1 root 1640: {
1641: const char *spacename;
1.1.1.11! root 1642: char srcname[18], dstname[18], addr_name[16];
1.1.1.2 root 1643: Uint32 numreg, ea_mode;
1.1 root 1644: int retour;
1645:
1646: /* x:ea,D1 */
1647: /* S1,x:ea */
1648: /* y:ea,D1 */
1649: /* S1,y:ea */
1650: /* #xxxx,D1 */
1651:
1.1.1.3 root 1652: numreg = cur_inst & BITMASK(6);
1.1 root 1653: ea_mode = (cur_inst>>8) & BITMASK(6);
1654: retour = dsp_calc_ea(ea_mode, addr_name);
1655:
1656: if (cur_inst & (1<<6)) {
1657: spacename="y";
1658: } else {
1659: spacename="x";
1660: }
1661:
1662: if (cur_inst & (1<<15)) {
1663: /* Write D1 */
1664: if (retour) {
1665: sprintf(srcname, "#%s", addr_name);
1666: } else {
1667: sprintf(srcname, "%s:%s", spacename, addr_name);
1668: }
1669: strcpy(dstname, registers_name[numreg]);
1670: } else {
1671: /* Read S1 */
1672: strcpy(srcname, registers_name[numreg]);
1673: sprintf(dstname, "%s:%s", spacename, addr_name);
1674: }
1675:
1.1.1.4 root 1676: sprintf(str_instr,"movec %s,%s", srcname, dstname);
1.1 root 1677: }
1678:
1.1.1.3 root 1679: static void dsp_movem_aa(void)
1.1 root 1680: {
1.1.1.3 root 1681: /* S,p:aa */
1682: /* p:aa,D */
1.1.1.11! root 1683: char addr_name[16], srcname[18], dstname[18];
1.1.1.3 root 1684: Uint32 numreg;
1.1 root 1685:
1.1.1.5 root 1686: sprintf(addr_name, "$%04x",(cur_inst>>8) & BITMASK(6));
1.1 root 1687: numreg = cur_inst & BITMASK(6);
1688: if (cur_inst & (1<<15)) {
1689: /* Write D */
1690: sprintf(srcname, "p:%s", addr_name);
1691: strcpy(dstname, registers_name[numreg]);
1692: } else {
1693: /* Read S */
1694: strcpy(srcname, registers_name[numreg]);
1695: sprintf(dstname, "p:%s", addr_name);
1696: }
1.1.1.2 root 1697:
1.1.1.4 root 1698: sprintf(str_instr,"movem %s,%s", srcname, dstname);
1.1 root 1699: }
1700:
1.1.1.3 root 1701: static void dsp_movem_ea(void)
1.1 root 1702: {
1.1.1.3 root 1703: /* S,p:ea */
1704: /* p:ea,D */
1.1.1.11! root 1705: char addr_name[16], srcname[18], dstname[18];
1.1.1.3 root 1706: Uint32 ea_mode, numreg;
1.1 root 1707:
1.1.1.3 root 1708: ea_mode = (cur_inst>>8) & BITMASK(6);
1709: dsp_calc_ea(ea_mode, addr_name);
1710: numreg = cur_inst & BITMASK(6);
1711: if (cur_inst & (1<<15)) {
1712: /* Write D */
1713: sprintf(srcname, "p:%s", addr_name);
1714: strcpy(dstname, registers_name[numreg]);
1715: } else {
1716: /* Read S */
1717: strcpy(srcname, registers_name[numreg]);
1718: sprintf(dstname, "p:%s", addr_name);
1719: }
1720:
1.1.1.4 root 1721: sprintf(str_instr,"movem %s,%s", srcname, dstname);
1.1 root 1722: }
1723:
1724: static void dsp_movep_0(void)
1725: {
1726: char srcname[16]="",dstname[16]="";
1.1.1.2 root 1727: Uint32 addr, memspace, numreg;
1.1 root 1728:
1729: /* S,x:pp */
1730: /* x:pp,D */
1731: /* S,y:pp */
1732: /* y:pp,D */
1733:
1734: addr = 0xffc0 + (cur_inst & BITMASK(6));
1735: memspace = (cur_inst>>16) & 1;
1736: numreg = (cur_inst>>8) & BITMASK(6);
1737:
1738: if (cur_inst & (1<<15)) {
1739: /* Write pp */
1740:
1741: strcpy(srcname, registers_name[numreg]);
1742:
1743: if (memspace) {
1.1.1.5 root 1744: sprintf(dstname, "y:$%04x", addr);
1.1 root 1745: } else {
1.1.1.5 root 1746: sprintf(dstname, "x:$%04x", addr);
1.1 root 1747: }
1748: } else {
1749: /* Read pp */
1750:
1751: if (memspace) {
1.1.1.5 root 1752: sprintf(srcname, "y:$%04x", addr);
1.1 root 1753: } else {
1.1.1.5 root 1754: sprintf(srcname, "x:$%04x", addr);
1.1 root 1755: }
1756:
1757: strcpy(dstname, registers_name[numreg]);
1758: }
1759:
1.1.1.4 root 1760: sprintf(str_instr,"movep %s,%s", srcname, dstname);
1.1 root 1761: }
1762:
1763: static void dsp_movep_1(void)
1764: {
1.1.1.11! root 1765: char srcname[18] = "", dstname[18] = "", name[16] = "";
1.1.1.2 root 1766: Uint32 addr, memspace;
1.1 root 1767:
1768: /* p:ea,x:pp */
1769: /* x:pp,p:ea */
1770: /* p:ea,y:pp */
1771: /* y:pp,p:ea */
1772:
1773: addr = 0xffc0 + (cur_inst & BITMASK(6));
1774: dsp_calc_ea((cur_inst>>8) & BITMASK(6), name);
1775: memspace = (cur_inst>>16) & 1;
1776:
1777: if (cur_inst & (1<<15)) {
1778: /* Write pp */
1779:
1780: sprintf(srcname, "p:%s", name);
1781:
1782: if (memspace) {
1.1.1.5 root 1783: sprintf(dstname, "y:$%04x", addr);
1.1 root 1784: } else {
1.1.1.5 root 1785: sprintf(dstname, "x:$%04x", addr);
1.1 root 1786: }
1787: } else {
1788: /* Read pp */
1789:
1790: if (memspace) {
1.1.1.5 root 1791: sprintf(srcname, "y:$%04x", addr);
1.1 root 1792: } else {
1.1.1.5 root 1793: sprintf(srcname, "x:$%04x", addr);
1.1 root 1794: }
1795:
1796: sprintf(dstname, "p:%s", name);
1797: }
1798:
1.1.1.4 root 1799: sprintf(str_instr,"movep %s,%s", srcname, dstname);
1.1 root 1800: }
1801:
1.1.1.3 root 1802: static void dsp_movep_23(void)
1.1 root 1803: {
1.1.1.11! root 1804: char srcname[18] = "", dstname[18] = "", name[16] = "";
1.1.1.2 root 1805: Uint32 addr, memspace, easpace, retour;
1.1 root 1806:
1807: /* x:ea,x:pp */
1808: /* y:ea,x:pp */
1809: /* #xxxxxx,x:pp */
1810: /* x:pp,x:ea */
1811: /* x:pp,y:ea */
1812:
1813: /* x:ea,y:pp */
1814: /* y:ea,y:pp */
1815: /* #xxxxxx,y:pp */
1816: /* y:pp,y:ea */
1817: /* y:pp,x:ea */
1818:
1819: addr = 0xffc0 + (cur_inst & BITMASK(6));
1820: retour = dsp_calc_ea((cur_inst>>8) & BITMASK(6), name);
1821: memspace = (cur_inst>>16) & 1;
1822: easpace = (cur_inst>>6) & 1;
1823:
1824: if (cur_inst & (1<<15)) {
1825: /* Write pp */
1826:
1827: if (retour) {
1828: sprintf(srcname, "#%s", name);
1829: } else {
1830: if (easpace) {
1831: sprintf(srcname, "y:%s", name);
1832: } else {
1833: sprintf(srcname, "x:%s", name);
1834: }
1835: }
1836:
1837: if (memspace) {
1.1.1.5 root 1838: sprintf(dstname, "y:$%04x", addr);
1.1 root 1839: } else {
1.1.1.5 root 1840: sprintf(dstname, "x:$%04x", addr);
1.1 root 1841: }
1842: } else {
1843: /* Read pp */
1844:
1845: if (memspace) {
1.1.1.5 root 1846: sprintf(srcname, "y:$%04x", addr);
1.1 root 1847: } else {
1.1.1.5 root 1848: sprintf(srcname, "x:$%04x", addr);
1.1 root 1849: }
1850:
1851: if (easpace) {
1852: sprintf(dstname, "y:%s", name);
1853: } else {
1854: sprintf(dstname, "x:%s", name);
1855: }
1856: }
1857:
1.1.1.4 root 1858: sprintf(str_instr,"movep %s,%s", srcname, dstname);
1.1 root 1859: }
1860:
1861: static void dsp_nop(void)
1862: {
1.1.1.4 root 1863: sprintf(str_instr,"nop");
1.1 root 1864: }
1865:
1866: static void dsp_norm(void)
1867: {
1.1.1.2 root 1868: Uint32 srcreg, destreg;
1.1 root 1869:
1870: srcreg = DSP_REG_R0+((cur_inst>>8) & BITMASK(3));
1871: destreg = DSP_REG_A+((cur_inst>>3) & 1);
1872:
1.1.1.4 root 1873: sprintf(str_instr,"norm %s,%s", registers_name[srcreg], registers_name[destreg]);
1.1 root 1874: }
1875:
1876: static void dsp_ori(void)
1877: {
1878: switch(cur_inst & BITMASK(2)) {
1879: case 0:
1.1.1.5 root 1880: sprintf(str_instr,"ori #$%02x,mr", (cur_inst>>8) & BITMASK(8));
1.1 root 1881: break;
1882: case 1:
1.1.1.5 root 1883: sprintf(str_instr,"ori #$%02x,ccr", (cur_inst>>8) & BITMASK(8));
1.1 root 1884: break;
1885: case 2:
1.1.1.5 root 1886: sprintf(str_instr,"ori #$%02x,omr", (cur_inst>>8) & BITMASK(8));
1.1 root 1887: break;
1888: default:
1889: break;
1890: }
1891:
1892: }
1893:
1.1.1.3 root 1894: static void dsp_rep_aa(void)
1.1 root 1895: {
1896: char name[16];
1897:
1898: /* x:aa */
1899: /* y:aa */
1900:
1901: if (cur_inst & (1<<6)) {
1.1.1.5 root 1902: sprintf(name, "y:$%04x",(cur_inst>>8) & BITMASK(6));
1.1 root 1903: } else {
1.1.1.5 root 1904: sprintf(name, "x:$%04x",(cur_inst>>8) & BITMASK(6));
1.1 root 1905: }
1906:
1.1.1.4 root 1907: sprintf(str_instr,"rep %s", name);
1.1 root 1908: }
1909:
1.1.1.3 root 1910: static void dsp_rep_imm(void)
1.1 root 1911: {
1912: /* #xxx */
1.1.1.5 root 1913: sprintf(str_instr,"rep #$%02x", ((cur_inst>>8) & BITMASK(8))
1.1.1.3 root 1914: + ((cur_inst & BITMASK(4))<<8));
1.1 root 1915: }
1916:
1.1.1.3 root 1917: static void dsp_rep_ea(void)
1.1 root 1918: {
1.1.1.11! root 1919: char name[18], addr_name[16];
1.1 root 1920:
1921: /* x:ea */
1922: /* y:ea */
1923:
1924: dsp_calc_ea((cur_inst>>8) & BITMASK(6), addr_name);
1925: if (cur_inst & (1<<6)) {
1926: sprintf(name, "y:%s",addr_name);
1927: } else {
1928: sprintf(name, "x:%s",addr_name);
1929: }
1930:
1.1.1.4 root 1931: sprintf(str_instr,"rep %s", name);
1.1 root 1932: }
1933:
1.1.1.3 root 1934: static void dsp_rep_reg(void)
1.1 root 1935: {
1936: /* R */
1937:
1.1.1.4 root 1938: sprintf(str_instr,"rep %s", registers_name[(cur_inst>>8) & BITMASK(6)]);
1.1 root 1939: }
1940:
1941: static void dsp_reset(void)
1942: {
1.1.1.4 root 1943: sprintf(str_instr,"reset");
1.1 root 1944: }
1945:
1946: static void dsp_rti(void)
1947: {
1.1.1.4 root 1948: sprintf(str_instr,"rti");
1.1 root 1949: }
1950:
1951: static void dsp_rts(void)
1952: {
1.1.1.4 root 1953: sprintf(str_instr,"rts");
1.1 root 1954: }
1955:
1956: static void dsp_stop(void)
1957: {
1.1.1.4 root 1958: sprintf(str_instr,"stop");
1.1 root 1959: }
1960:
1961: static void dsp_swi(void)
1962: {
1.1.1.4 root 1963: sprintf(str_instr,"swi");
1.1 root 1964: }
1965:
1966: static void dsp_tcc(void)
1967: {
1968: char ccname[16];
1.1.1.2 root 1969: Uint32 src1reg, dst1reg, src2reg, dst2reg;
1.1 root 1970:
1971: dsp_calc_cc((cur_inst>>12) & BITMASK(4), ccname);
1972: src1reg = registers_tcc[(cur_inst>>3) & BITMASK(4)][0];
1.1.1.2 root 1973: dst1reg = registers_tcc[(cur_inst>>3) & BITMASK(4)][1];
1.1 root 1974:
1975: if (cur_inst & (1<<16)) {
1.1.1.5 root 1976: src2reg = DSP_REG_R0+((cur_inst>>8) & BITMASK(3));
1977: dst2reg = DSP_REG_R0+(cur_inst & BITMASK(3));
1.1 root 1978:
1.1.1.4 root 1979: sprintf(str_instr,"t%s %s,%s %s,%s",
1.1 root 1980: ccname,
1981: registers_name[src1reg],
1982: registers_name[dst1reg],
1983: registers_name[src2reg],
1984: registers_name[dst2reg]
1985: );
1986: } else {
1.1.1.4 root 1987: sprintf(str_instr,"t%s %s,%s",
1.1 root 1988: ccname,
1989: registers_name[src1reg],
1990: registers_name[dst1reg]
1991: );
1992: }
1993: }
1994:
1995: static void dsp_wait(void)
1996: {
1.1.1.4 root 1997: sprintf(str_instr,"wait");
1.1 root 1998: }
1999:
2000: /**********************************
2001: * Parallel moves
2002: **********************************/
2003:
2004: static void dsp_pm(void)
2005: {
1.1.1.2 root 2006: Uint32 value;
1.1 root 2007:
2008: value = (cur_inst >> 20) & BITMASK(4);
2009: opcodes_parmove[value]();
2010: }
2011:
2012: static void dsp_pm_0(void)
2013: {
2014: char space_name[16], addr_name[16];
1.1.1.2 root 2015: Uint32 memspace, numreg1, numreg2;
1.1 root 2016: /*
2017: 0000 100d 00mm mrrr S,x:ea x0,D
2018: 0000 100d 10mm mrrr S,y:ea y0,D
2019: */
2020: memspace = (cur_inst>>15) & 1;
2021: numreg1 = DSP_REG_A+((cur_inst>>16) & 1);
2022: dsp_calc_ea((cur_inst>>8) & BITMASK(6), addr_name);
2023:
2024: if (memspace) {
2025: strcpy(space_name,"y");
2026: numreg2 = DSP_REG_Y0;
2027: } else {
2028: strcpy(space_name,"x");
2029: numreg2 = DSP_REG_X0;
2030: }
2031:
2032: sprintf(parallelmove_name,
2033: "%s,%s:%s %s,%s",
2034: registers_name[numreg1],
2035: space_name,
2036: addr_name,
2037: registers_name[numreg2],
2038: registers_name[numreg1]
2039: );
2040: }
2041:
2042: static void dsp_pm_1(void)
2043: {
2044: /*
2045: 0001 ffdf w0mm mrrr x:ea,D1 S2,D2
2046: S1,x:ea S2,D2
2047: #xxxxxx,D1 S2,D2
2048: 0001 deff w1mm mrrr S1,D1 y:ea,D2
2049: S1,D1 S2,y:ea
2050: S1,D1 #xxxxxx,D2
2051: */
2052:
2053: char addr_name[16];
1.1.1.2 root 2054: Uint32 memspace, write_flag, retour, s1reg, s2reg, d1reg, d2reg;
1.1 root 2055:
2056: memspace = (cur_inst>>14) & 1;
2057: write_flag = (cur_inst>>15) & 1;
2058: retour = dsp_calc_ea((cur_inst>>8) & BITMASK(6), addr_name);
2059:
2060: if (memspace==DSP_SPACE_Y) {
2061: s2reg = d2reg = DSP_REG_Y0;
2062: switch((cur_inst>>16) & BITMASK(2)) {
2063: case 0: s2reg = d2reg = DSP_REG_Y0; break;
2064: case 1: s2reg = d2reg = DSP_REG_Y1; break;
2065: case 2: s2reg = d2reg = DSP_REG_A; break;
2066: case 3: s2reg = d2reg = DSP_REG_B; break;
2067: }
2068:
2069: s1reg = DSP_REG_A+((cur_inst>>19) & 1);
2070: d1reg = DSP_REG_X0+((cur_inst>>18) & 1);
2071:
2072: if (write_flag) {
2073: /* Write D2 */
2074:
2075: if (retour) {
2076: sprintf(parallelmove_name,"%s,%s #%s,%s",
2077: registers_name[s1reg],
2078: registers_name[d1reg],
2079: addr_name,
2080: registers_name[d2reg]
2081: );
2082: } else {
2083: sprintf(parallelmove_name,"%s,%s y:%s,%s",
2084: registers_name[s1reg],
2085: registers_name[d1reg],
2086: addr_name,
2087: registers_name[d2reg]
2088: );
2089: }
2090: } else {
2091: /* Read S2 */
2092: sprintf(parallelmove_name,"%s,%s %s,y:%s",
2093: registers_name[s1reg],
2094: registers_name[d1reg],
2095: registers_name[s2reg],
2096: addr_name
2097: );
2098: }
2099:
2100: } else {
2101: s1reg = d1reg = DSP_REG_X0;
2102: switch((cur_inst>>18) & BITMASK(2)) {
2103: case 0: s1reg = d1reg = DSP_REG_X0; break;
2104: case 1: s1reg = d1reg = DSP_REG_X1; break;
2105: case 2: s1reg = d1reg = DSP_REG_A; break;
2106: case 3: s1reg = d1reg = DSP_REG_B; break;
2107: }
2108:
2109: s2reg = DSP_REG_A+((cur_inst>>17) & 1);
2110: d2reg = DSP_REG_Y0+((cur_inst>>16) & 1);
2111:
2112: if (write_flag) {
2113: /* Write D1 */
2114:
2115: if (retour) {
2116: sprintf(parallelmove_name,"#%s,%s %s,%s",
2117: addr_name,
2118: registers_name[d1reg],
2119: registers_name[s2reg],
2120: registers_name[d2reg]
2121: );
2122: } else {
2123: sprintf(parallelmove_name,"x:%s,%s %s,%s",
2124: addr_name,
2125: registers_name[d1reg],
2126: registers_name[s2reg],
2127: registers_name[d2reg]
2128: );
2129: }
2130: } else {
2131: /* Read S1 */
2132: sprintf(parallelmove_name,"%s,x:%s %s,%s",
2133: registers_name[s1reg],
2134: addr_name,
2135: registers_name[s2reg],
2136: registers_name[d2reg]
2137: );
2138: }
2139:
2140: }
2141: }
2142:
2143: static void dsp_pm_2(void)
2144: {
2145: char addr_name[16];
1.1.1.2 root 2146: Uint32 numreg1, numreg2;
1.1 root 2147: /*
2148: 0010 0000 0000 0000 nop
2149: 0010 0000 010m mrrr R update
2150: 0010 00ee eeed dddd S,D
2151: 001d dddd iiii iiii #xx,D
2152: */
2153: if (((cur_inst >> 8) & 0xffff) == 0x2000) {
2154: return;
2155: }
2156:
2157: if (((cur_inst >> 8) & 0xffe0) == 0x2040) {
2158: dsp_calc_ea((cur_inst>>8) & BITMASK(5), addr_name);
2159: sprintf(parallelmove_name, "%s,r%d",addr_name, (cur_inst>>8) & BITMASK(3));
2160: return;
2161: }
2162:
2163: if (((cur_inst >> 8) & 0xfc00) == 0x2000) {
2164: numreg1 = (cur_inst>>13) & BITMASK(5);
2165: numreg2 = (cur_inst>>8) & BITMASK(5);
2166: sprintf(parallelmove_name, "%s,%s", registers_name[numreg1], registers_name[numreg2]);
2167: return;
2168: }
2169:
2170: numreg1 = (cur_inst>>16) & BITMASK(5);
1.1.1.5 root 2171: sprintf(parallelmove_name, "#$%02x,%s", (cur_inst >> 8) & BITMASK(8), registers_name[numreg1]);
1.1 root 2172: }
2173:
2174: static void dsp_pm_4(void)
2175: {
2176: char addr_name[16];
1.1.1.2 root 2177: Uint32 value, retour, ea_mode, memspace;
1.1 root 2178: /*
2179: 0100 l0ll w0aa aaaa l:aa,D
2180: S,l:aa
2181: 0100 l0ll w1mm mrrr l:ea,D
2182: S,l:ea
2183: 01dd 0ddd w0aa aaaa x:aa,D
2184: S,x:aa
2185: 01dd 0ddd w1mm mrrr x:ea,D
2186: S,x:ea
2187: #xxxxxx,D
2188: 01dd 1ddd w0aa aaaa y:aa,D
2189: S,y:aa
2190: 01dd 1ddd w1mm mrrr y:ea,D
2191: S,y:ea
2192: #xxxxxx,D
2193: */
2194: value = (cur_inst>>16) & BITMASK(3);
2195: value |= (cur_inst>>17) & (BITMASK(2)<<3);
2196:
2197: ea_mode = (cur_inst>>8) & BITMASK(6);
2198:
2199: if ((value>>2)==0) {
2200: /* L: memory move */
2201: if (cur_inst & (1<<14)) {
2202: retour = dsp_calc_ea(ea_mode, addr_name);
2203: } else {
1.1.1.5 root 2204: sprintf(addr_name,"$%04x", ea_mode);
1.1 root 2205: retour = 0;
2206: }
2207:
2208: value = (cur_inst>>16) & BITMASK(2);
2209: value |= (cur_inst>>17) & (1<<2);
2210:
2211: if (cur_inst & (1<<15)) {
2212: /* Write D */
2213:
2214: if (retour) {
2215: sprintf(parallelmove_name, "#%s,%s", addr_name, registers_lmove[value]);
2216: } else {
2217: sprintf(parallelmove_name, "l:%s,%s", addr_name, registers_lmove[value]);
2218: }
2219: } else {
2220: /* Read S */
2221: sprintf(parallelmove_name, "%s,l:%s", registers_lmove[value], addr_name);
2222: }
2223:
2224: return;
2225: }
2226:
2227: memspace = (cur_inst>>19) & 1;
2228: if (cur_inst & (1<<14)) {
2229: retour = dsp_calc_ea(ea_mode, addr_name);
2230: } else {
1.1.1.5 root 2231: sprintf(addr_name,"$%04x", ea_mode);
1.1 root 2232: retour = 0;
2233: }
2234:
2235: if (memspace) {
2236: /* Y: */
2237:
2238: if (cur_inst & (1<<15)) {
2239: /* Write D */
2240:
2241: if (retour) {
2242: sprintf(parallelmove_name, "#%s,%s", addr_name, registers_name[value]);
2243: } else {
2244: sprintf(parallelmove_name, "y:%s,%s", addr_name, registers_name[value]);
2245: }
2246:
2247: } else {
2248: /* Read S */
2249: sprintf(parallelmove_name, "%s,y:%s", registers_name[value], addr_name);
2250: }
2251: } else {
2252: /* X: */
2253:
2254: if (cur_inst & (1<<15)) {
2255: /* Write D */
2256:
2257: if (retour) {
2258: sprintf(parallelmove_name, "#%s,%s", addr_name, registers_name[value]);
2259: } else {
2260: sprintf(parallelmove_name, "x:%s,%s", addr_name, registers_name[value]);
2261: }
2262: } else {
2263: /* Read S */
2264: sprintf(parallelmove_name, "%s,x:%s", registers_name[value], addr_name);
2265: }
2266: }
2267: }
2268:
2269: static void dsp_pm_8(void)
2270: {
2271: char addr1_name[16], addr2_name[16];
1.1.1.2 root 2272: Uint32 ea_mode1, ea_mode2, numreg1, numreg2;
1.1 root 2273: /*
2274: 1wmm eeff WrrM MRRR x:ea,D1 y:ea,D2
2275: x:ea,D1 S2,y:ea
2276: S1,x:ea y:ea,D2
2277: S1,x:ea S2,y:ea
2278: */
2279: numreg1 = DSP_REG_X0;
2280: switch((cur_inst>>18) & BITMASK(2)) {
2281: case 0: numreg1 = DSP_REG_X0; break;
2282: case 1: numreg1 = DSP_REG_X1; break;
2283: case 2: numreg1 = DSP_REG_A; break;
2284: case 3: numreg1 = DSP_REG_B; break;
2285: }
2286:
2287: numreg2 = DSP_REG_Y0;
2288: switch((cur_inst>>16) & BITMASK(2)) {
2289: case 0: numreg2 = DSP_REG_Y0; break;
2290: case 1: numreg2 = DSP_REG_Y1; break;
2291: case 2: numreg2 = DSP_REG_A; break;
2292: case 3: numreg2 = DSP_REG_B; break;
2293: }
2294:
2295: ea_mode1 = (cur_inst>>8) & BITMASK(5);
2296: if ((ea_mode1>>3) == 0) {
2297: ea_mode1 |= (1<<5);
2298: }
2299: ea_mode2 = (cur_inst>>13) & BITMASK(2);
2300: ea_mode2 |= ((cur_inst>>20) & BITMASK(2))<<3;
2301: if ((ea_mode1 & (1<<2))==0) {
2302: ea_mode2 |= 1<<2;
2303: }
2304: if ((ea_mode2>>3) == 0) {
2305: ea_mode2 |= (1<<5);
2306: }
2307:
2308: dsp_calc_ea(ea_mode1, addr1_name);
2309: dsp_calc_ea(ea_mode2, addr2_name);
2310:
2311: if (cur_inst & (1<<15)) {
2312: if (cur_inst & (1<<22)) {
2313: sprintf(parallelmove_name, "x:%s,%s y:%s,%s",
2314: addr1_name,
2315: registers_name[numreg1],
2316: addr2_name,
2317: registers_name[numreg2]
2318: );
2319: } else {
2320: sprintf(parallelmove_name, "x:%s,%s %s,y:%s",
2321: addr1_name,
2322: registers_name[numreg1],
2323: registers_name[numreg2],
2324: addr2_name
2325: );
2326: }
2327: } else {
2328: if (cur_inst & (1<<22)) {
2329: sprintf(parallelmove_name, "%s,x:%s y:%s,%s",
2330: registers_name[numreg1],
2331: addr1_name,
2332: addr2_name,
2333: registers_name[numreg2]
2334: );
2335: } else {
2336: sprintf(parallelmove_name, "%s,x:%s %s,y:%s",
2337: registers_name[numreg1],
2338: addr1_name,
2339: registers_name[numreg2],
2340: addr2_name
2341: );
2342: }
2343: }
2344: }
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.