![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to main.h 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 / includes|
Return to main.h CVS log | Up to [HATARI the Atari ST Emulator] / hatari / src / includes |
1.1 root 1: /*
2: Hatari
3: */
4:
5: #ifndef MAIN_H
6: #define MAIN_H
7:
8: typedef int BOOL;
9:
1.1.1.5 ! root 10: #define PROG_NAME "Hatari v0.25" /* Name, version for window title */
! 11: #define PROG_VERSION "v0.25"
! 12: #define VERSION_STRING "0.25 " /* Always 6 bytes(inc' NULL) */
1.1 root 13: #define VERSION_STRING_SIZE 6 /* Size of above(inc' NULL) */
14:
15: //#define TOTALLY_FINAL_VERSION /* Web release version... */
16:
17: #define FINAL_VERSION /* Full-speed non-debug version for release */
18: //#define DEBUG_TO_FILE /* Use debug.txt files */
19: #define FIND_PERFORMANCE
20:
21: #ifndef FINAL_VERSION
22: #define USE_DEBUGGER /* Debugger version(non-release) */
23: #define DEBUG_TO_FILE /* Use debug.txt files */
24: #endif
25:
26: #ifdef TOTALLY_FINAL_VERSION
27: #undef DEBUG_TO_FILE /* Don't use debug files for final release */
28: #undef FIND_PERFORMANCE
29: #endif
30:
31: #define MAX_FILENAME_LENGTH 256
32: #define MAX_STRING_LENGTH 512
33:
34:
35: #include <stdio.h>
36: #include <stdlib.h>
37: #include <string.h>
38: #include <math.h>
39: #include <time.h>
40: #include <assert.h>
41:
42:
43: #ifndef FALSE
44: #define FALSE 0
45: #define TRUE (!0)
46: #endif
47:
48: #define CALL_VAR(func) { ((void(*)(void))func)(); }
49:
1.1.1.4 root 50: /* Binary conversion macro's */
1.1 root 51: #define BIN2(a,b) ((a<<1)+(b))
52: #define BIN3(a,b,c) ((a<<2)+(b<<1)+(c))
53: #define BIN4(a,b,c,d) ((a<<3)+(b<<2)+(c<<1)+(d))
54: #define BIN5(a,b,c,d,e) ((a<<4)+(b<<3)+(c<<2)+(d<<1)+(e))
55: #define BIN6(a,b,c,d,e,f) ((a<<5)+(b<<4)+(c<<3)+(d<<2)+(e<<1)+(f))
56: #define BIN7(a,b,c,d,e,f,g) ((a<<6)+(b<<5)+(c<<4)+(d<<3)+(e<<2)+(f<<1)+(g))
57: #define BIN8(a,b,c,d,e,f,g,h) ((a<<7)+(b<<6)+(c<<5)+(d<<4)+(e<<3)+(f<<2)+(g<<1)+(h))
58: #define BIN10(a,b,c,d,e,f,g,h,i,j) ((a<<9)+(b<<8)+(c<<7)+(d<<6)+(e<<5)+(f<<4)+(g<<3)+(h<<2)+(i<<1)+(j))
59: #define BIN12(a,b,c,d,e,f,g,h,i,j,k,l) ((a<<11)+(b<<10)+(c<<9)+(d<<8)+(e<<7)+(f<<6)+(g<<5)+(h<<4)+(i<<3)+(j<<2)+(k<<1)+(l))
60: #define BIN14(a,b,c,d,e,f,g,h,i,j,k,l,m,n) ((a<<13)+(b<<12)+(c<<11)+(d<<10)+(e<<9)+(f<<8)+(g<<7)+(h<<6)+(i<<5)+(j<<4)+(k<<3)+(l<<2)+(m<<1)+(n))
61: #define BIN16(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) ((a<<15)+(b<<14)+(c<<13)+(d<<12)+(e<<11)+(f<<10)+(g<<9)+(h<<8)+(i<<7)+(j<<6)+(k<<5)+(l<<4)+(m<<3)+(n<<2)+(o<<1)+(p))
62:
1.1.1.4 root 63: /* 68000 operand sizes */
1.1 root 64: #define SIZE_BYTE 1
65: #define SIZE_WORD 2
66: #define SIZE_LONG 4
67:
68: /* 68000 Register defines */
69: enum {
70: REG_D0, /* D0.. */
71: REG_D1,
72: REG_D2,
73: REG_D3,
74: REG_D4,
75: REG_D5,
76: REG_D6,
77: REG_D7, /* ..D7 */
78: REG_A0, /* A0.. */
79: REG_A1,
80: REG_A2,
81: REG_A3,
82: REG_A4,
83: REG_A5,
84: REG_A6,
85: REG_A7, /* ..A7(also SP) */
86: };
87:
88: /* PC Condition code's */
1.1.1.4 root 89: #define PC_CARRY 0x0001 /* Bit 0 */
90: #define PC_AUX 0x0010 /* Bit 4 */
91: #define PC_ZERO 0x0040 /* Bit 6 */
92: #define PC_NEG 0x0080 /* Bit 7 */
93: #define PC_OVERFLOW 0x0800 /* Bit 11 */
1.1 root 94:
95: /* 68000 Condition code's */
96: #define SR_AUX 0x0010
97: #define SR_NEG 0x0008
98: #define SR_ZERO 0x0004
99: #define SR_OVERFLOW 0x0002
100: #define SR_CARRY 0x0001
101:
102: #define SR_CLEAR_AUX 0xffef
103: #define SR_CLEAR_NEG 0xfff7
104: #define SR_CLEAR_ZERO 0xfffb
105: #define SR_CLEAR_OVERFLOW 0xfffd
106: #define SR_CLEAR_CARRY 0xfffe
107:
108: #define SR_CCODE_MASK (SR_AUX|SR_NEG|SR_ZERO|SR_OVERFLOW|SR_CARRY)
109: #define SR_MASK 0xFFE0
110:
111: #define SR_TRACEMODE 0x8000
112: #define SR_SUPERMODE 0x2000
113: #define SR_IPL 0x0700
114:
115: #define SR_CLEAR_IPL 0xf8ff
116: #define SR_CLEAR_TRACEMODE 0x7fff
117: #define SR_CLEAR_SUPERMODE 0xdfff
118:
119: /* Emuation condition codes, ordered so can do 'xor al,al' to set XNZVC -0000 */
120: #define EMU_X 0x0100
121: #define EMU_N 0x0080
122: #define EMU_Z 0x0040
123: #define EMU_V 0x0020
124: #define EMU_C 0x0010
125:
126: #define EMU_CLEAR_X 0xfeff
127: #define EMU_CLEAR_N 0xff7f
128: #define EMU_CLEAR_Z 0xffbf
129: #define EMU_CLEAR_V 0xffdf
130: #define EMU_CLEAR_C 0xffef
131:
132: /* Exception vectors */
133: #define EXCEPTION_BUSERROR 0x00000008
134: #define EXCEPTION_ADDRERROR 0x0000000c
135: #define EXCEPTION_ILLEGALINS 0x00000010
136: #define EXCEPTION_DIVZERO 0x00000014
137: #define EXCEPTION_CHK 0x00000018
138: #define EXCEPTION_TRAPV 0x0000001c
139: #define EXCEPTION_TRACE 0x00000024
140: #define EXCEPTION_LINE_A 0x00000028
141: #define EXCEPTION_LINE_F 0x0000002c
142: #define EXCEPTION_HBLANK 0x00000068
143: #define EXCEPTION_VBLANK 0x00000070
144: #define EXCEPTION_TRAP0 0x00000080
145: #define EXCEPTION_TRAP1 0x00000084
146: #define EXCEPTION_TRAP2 0x00000088
147: #define EXCEPTION_TRAP13 0x000000B4
148: #define EXCEPTION_TRAP14 0x000000B8
149:
150: /* Find IPL */
151: #define FIND_IPL ((SR>>8)&0x7)
152:
153: /* Size of 68000 instructions */
154: #define MAX_68000_INSTRUCTION_SIZE 10 /* Longest 68000 instruction is 10 bytes(6+4) */
155: #define MIN_68000_INSTRUCTION_SIZE 2 /* Smallest 68000 instruction is 2 bytes(ie NOP) */
156:
157: /*
158: All the following processor timings are based on a bog standard 8MHz 68000 as found in all standard ST's
159:
160: Clock cycles per line (50Hz) : 512
161: NOPs per scan line (50Hz) : 128
162: Scan lines per VBL (50Hz) : 313(64 at top,200 screen,49 bottom)
163:
164: Clock cycles per line (60Hz) : 508
165: NOPs per scan line (60Hz) : 127
166: Scan lines per VBL (60Hz) : 315
167:
168: Clock cycles per VBL : 160256
169: NOPs per VBL : 40064
170:
171: Pixels per clock cycle (low res) : 1
172: Pixels per clock cycle (med res) : 2
173: Pixels per clock cycle (high res) : 4
174: Pixels per NOP (low res) : 4
175: Pixels per NOP (med res) : 8
176: Pixels per NOP (high res) : 16
177: */
178: #define SCREEN_START_HBL 64 /* This is usually the first line of the displayed screen */
179: #define SCREEN_HEIGHT_HBL 200 /* This is usually the height of the screen */
180: #define FIRST_VISIBLE_HBL (SCREEN_START_HBL-OVERSCAN_TOP) /* Normal screen starts 64 lines in, top border is 28 lines */
181: #define NUM_VISIBLE_LINES (OVERSCAN_TOP+SCREEN_HEIGHT_HBL+OVERSCAN_BOTTOM) /* Number of visible screen lines including top/bottom borders */
182:
183: /* Assumes 32 pixels left+right */
184: #define SCREENBYTES_LEFT 16 /* Bytes for left border in ST screen */
185: #define SCREENBYTES_MIDDLE 160 /* Middle(320 pixels) */
186: #define SCREENBYTES_RIGHT 16 /* right border */
187: #define SCREENBYTES_LINE (SCREENBYTES_LEFT+SCREENBYTES_MIDDLE+SCREENBYTES_RIGHT)
188:
189: /* Overscan values */
190: #define OVERSCAN_LEFT (SCREENBYTES_LEFT*2) /* Number of pixels in each border */
191: #define OVERSCAN_RIGHT (SCREENBYTES_RIGHT*2)
192: #define OVERSCAN_TOP 29
193: #define OVERSCAN_BOTTOM 38
194: #define OVERSCAN_MIDDLE 320 /* Number of pixels across screen(low res) */
195:
196: #define SCREEN_START_CYCLE 96 /* Cycle first normal pixel appears on */
197: #define SCANLINES_PER_FRAME 313 /* Number of scan lines per frame */
198: #define CYCLES_PER_LINE 512 /* Cycles per horiztonal line scan */
199: #define CYCLES_PER_FRAME (SCANLINES_PER_FRAME*CYCLES_PER_LINE) /* Cycles per VBL @ 50fps = 160256 */
200: #define CYCLES_VBL_IN (SCREEN_START_HBL*CYCLES_PER_LINE) /*((28+64)*CYCLES_PER_LINE) */
201: #define CYCLES_PER_SEC (CYCLES_PER_FRAME*50) /* Cycles per second */
202: #define CYCLES_ENDLINE (64+320+88+40) /* DE(Display Enable) */
203: #define CYCLES_HBL (CYCLES_PER_LINE+96) /* Cycles for first HBL - very inaccurate on ST */
204: #define CYCLES_DEBUGGER 3000 /* Check debugger every 'x' cycles */
205:
206: /* Illegal Opcode used to help emulation. eg. free entries are 8 to 15 inc' */
207: #define GEMDOS_OPCODE 8 /* Free op-code to intercept GemDOS trap */
208: #define RUNOLDGEMDOS_OPCODE 9 /* Free op-code to set PC to old GemDOS vector(if doesn't need to intercept) */
209: #define CONDRV_OPCODE 10 /* Free op-code to intercept set up connected drives */
210: #define TIMERD_OPCODE 11 /* Free op-code to prevent Timer D starting in GemDOS */
211: #define VDI_OPCODE 12 /* Free op-code to call VDI handlers AFTER Trap#2 */
212: #define LINEA_OPCODE 13 /* Free op-code to call handlers AFTER Line-A */
213: /* Other Opcodes */
214: #define RTS_OPCODE BIN16(0,1,0,0,1,1,1,0,0,1,1,1,0,1,0,1)
215: #define NOP_OPCODE BIN16(0,1,0,0,1,1,1,0,0,1,1,1,0,0,0,1)
216: #define BRAW_OPCODE BIN16(0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0)
217:
218: /* Handy invalid address for flags(24-bit address can never be this) */
219: #define BRK_DISABLED 0xffffffff
220: #define BRK_SINGLE_INSTRUCTION 0xfffffffe
221: #define BRK_STOP 0xfffffffd
222:
223: #define PRG_HEADER_SIZE 0x1c /* Size of header at start of ST .prg files */
224:
225:
226: extern BOOL bQuitProgram;
1.1.1.2 root 227: extern BOOL bEnableDebug;
1.1 root 228: extern BOOL bEmulationActive;
229: extern char szName[];
230: extern char szBootDiscImage[MAX_FILENAME_LENGTH];
231: extern char szWorkingDir[MAX_FILENAME_LENGTH];
232: extern char szCurrentDir[MAX_FILENAME_LENGTH];
233:
234: extern void Main_MemorySnapShot_Capture(BOOL bSave);
235: extern void Main_SysError(char *Error,char *Title);
236: extern int Main_Message(char *lpText, char *lpCaption /*, unsigned int uType*/);
237: extern void Main_PauseEmulation(void);
238: extern void Main_UnPauseEmulation(void);
239: extern void Main_EventHandler();
240: extern void Main_WaitVBLEvent(void);
241: extern BOOL Main_AlreadyWaitingVBLEvent(void);
1.1.1.2 root 242: /*extern void Main_SoundTimerFunc(void);*/
1.1 root 243: extern void Main_SetSpeedThreadTimer(int nMinMaxSpeed);
244:
245: #endif /* ifndef MAIN_H */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.