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1.1 ! root 1: /* ! 2: Hatari ! 3: */ ! 4: ! 5: #ifndef MAIN_H ! 6: #define MAIN_H ! 7: ! 8: typedef int BOOL; ! 9: ! 10: #define PROG_NAME "Hatari v0.05" /* Name, version for window title */ ! 11: #define PROG_VERSION "v0.05" ! 12: #define VERSION_STRING "0.05 " /* Always 6 bytes(inc' NULL) */ ! 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: #ifndef TOTALLY_FINAL_VERSION ! 27: #define FORCE_WORKING_DIR /* Set default directory when running in MsDev */ ! 28: #endif ! 29: ! 30: #ifdef TOTALLY_FINAL_VERSION ! 31: #undef DEBUG_TO_FILE /* Don't use debug files for final release */ ! 32: #undef FIND_PERFORMANCE ! 33: #endif ! 34: ! 35: #define MAX_FILENAME_LENGTH 256 ! 36: #define MAX_STRING_LENGTH 512 ! 37: ! 38: #define DIRECTINPUT_VERSION 0x0500 ! 39: ! 40: #define MAX_PASSED_PARAMETERS 4 /* Number of passed parameters from command line */ ! 41: ! 42: #include <stdio.h> ! 43: #include <stdlib.h> ! 44: #include <string.h> ! 45: #include <math.h> ! 46: #include <time.h> ! 47: #include <assert.h> ! 48: ! 49: ! 50: #ifndef FALSE ! 51: #define FALSE 0 ! 52: #define TRUE (!0) ! 53: #endif ! 54: ! 55: #define CALL_VAR(func) { ((void(*)(void))func)(); } ! 56: ! 57: // Binary conversion macro's ! 58: #define BIN2(a,b) ((a<<1)+(b)) ! 59: #define BIN3(a,b,c) ((a<<2)+(b<<1)+(c)) ! 60: #define BIN4(a,b,c,d) ((a<<3)+(b<<2)+(c<<1)+(d)) ! 61: #define BIN5(a,b,c,d,e) ((a<<4)+(b<<3)+(c<<2)+(d<<1)+(e)) ! 62: #define BIN6(a,b,c,d,e,f) ((a<<5)+(b<<4)+(c<<3)+(d<<2)+(e<<1)+(f)) ! 63: #define BIN7(a,b,c,d,e,f,g) ((a<<6)+(b<<5)+(c<<4)+(d<<3)+(e<<2)+(f<<1)+(g)) ! 64: #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)) ! 65: #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)) ! 66: #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)) ! 67: #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)) ! 68: #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)) ! 69: ! 70: // 68000 operand sizes ! 71: #define SIZE_BYTE 1 ! 72: #define SIZE_WORD 2 ! 73: #define SIZE_LONG 4 ! 74: ! 75: /* 68000 Register defines */ ! 76: enum { ! 77: REG_D0, /* D0.. */ ! 78: REG_D1, ! 79: REG_D2, ! 80: REG_D3, ! 81: REG_D4, ! 82: REG_D5, ! 83: REG_D6, ! 84: REG_D7, /* ..D7 */ ! 85: REG_A0, /* A0.. */ ! 86: REG_A1, ! 87: REG_A2, ! 88: REG_A3, ! 89: REG_A4, ! 90: REG_A5, ! 91: REG_A6, ! 92: REG_A7, /* ..A7(also SP) */ ! 93: REG_A8=17 /* User/Super Stack Pointer */ /* FIXME: Nasty remap to regs.isp in decode.h */ ! 94: }; ! 95: ! 96: /* PC Condition code's */ ! 97: #define PC_CARRY 0x0001 // Bit 0 ! 98: #define PC_AUX 0x0010 // Bit 4 ! 99: #define PC_ZERO 0x0040 // Bit 6 ! 100: #define PC_NEG 0x0080 // Bit 7 ! 101: #define PC_OVERFLOW 0x0800 // Bit 11 ! 102: ! 103: /* 68000 Condition code's */ ! 104: #define SR_AUX 0x0010 ! 105: #define SR_NEG 0x0008 ! 106: #define SR_ZERO 0x0004 ! 107: #define SR_OVERFLOW 0x0002 ! 108: #define SR_CARRY 0x0001 ! 109: ! 110: #define SR_CLEAR_AUX 0xffef ! 111: #define SR_CLEAR_NEG 0xfff7 ! 112: #define SR_CLEAR_ZERO 0xfffb ! 113: #define SR_CLEAR_OVERFLOW 0xfffd ! 114: #define SR_CLEAR_CARRY 0xfffe ! 115: ! 116: #define SR_CCODE_MASK (SR_AUX|SR_NEG|SR_ZERO|SR_OVERFLOW|SR_CARRY) ! 117: #define SR_MASK 0xFFE0 ! 118: ! 119: #define SR_TRACEMODE 0x8000 ! 120: #define SR_SUPERMODE 0x2000 ! 121: #define SR_IPL 0x0700 ! 122: ! 123: #define SR_CLEAR_IPL 0xf8ff ! 124: #define SR_CLEAR_TRACEMODE 0x7fff ! 125: #define SR_CLEAR_SUPERMODE 0xdfff ! 126: ! 127: /* Emuation condition codes, ordered so can do 'xor al,al' to set XNZVC -0000 */ ! 128: #define EMU_X 0x0100 ! 129: #define EMU_N 0x0080 ! 130: #define EMU_Z 0x0040 ! 131: #define EMU_V 0x0020 ! 132: #define EMU_C 0x0010 ! 133: ! 134: #define EMU_CLEAR_X 0xfeff ! 135: #define EMU_CLEAR_N 0xff7f ! 136: #define EMU_CLEAR_Z 0xffbf ! 137: #define EMU_CLEAR_V 0xffdf ! 138: #define EMU_CLEAR_C 0xffef ! 139: ! 140: /* Exception vectors */ ! 141: #define EXCEPTION_BUSERROR 0x00000008 ! 142: #define EXCEPTION_ADDRERROR 0x0000000c ! 143: #define EXCEPTION_ILLEGALINS 0x00000010 ! 144: #define EXCEPTION_DIVZERO 0x00000014 ! 145: #define EXCEPTION_CHK 0x00000018 ! 146: #define EXCEPTION_TRAPV 0x0000001c ! 147: #define EXCEPTION_TRACE 0x00000024 ! 148: #define EXCEPTION_LINE_A 0x00000028 ! 149: #define EXCEPTION_LINE_F 0x0000002c ! 150: #define EXCEPTION_HBLANK 0x00000068 ! 151: #define EXCEPTION_VBLANK 0x00000070 ! 152: #define EXCEPTION_TRAP0 0x00000080 ! 153: #define EXCEPTION_TRAP1 0x00000084 ! 154: #define EXCEPTION_TRAP2 0x00000088 ! 155: #define EXCEPTION_TRAP13 0x000000B4 ! 156: #define EXCEPTION_TRAP14 0x000000B8 ! 157: ! 158: /* Find IPL */ ! 159: #define FIND_IPL ((SR>>8)&0x7) ! 160: ! 161: /* Size of 68000 instructions */ ! 162: #define MAX_68000_INSTRUCTION_SIZE 10 /* Longest 68000 instruction is 10 bytes(6+4) */ ! 163: #define MIN_68000_INSTRUCTION_SIZE 2 /* Smallest 68000 instruction is 2 bytes(ie NOP) */ ! 164: ! 165: /* ! 166: All the following processor timings are based on a bog standard 8MHz 68000 as found in all standard ST's ! 167: ! 168: Clock cycles per line (50Hz) : 512 ! 169: NOPs per scan line (50Hz) : 128 ! 170: Scan lines per VBL (50Hz) : 313(64 at top,200 screen,49 bottom) ! 171: ! 172: Clock cycles per line (60Hz) : 508 ! 173: NOPs per scan line (60Hz) : 127 ! 174: Scan lines per VBL (60Hz) : 315 ! 175: ! 176: Clock cycles per VBL : 160256 ! 177: NOPs per VBL : 40064 ! 178: ! 179: Pixels per clock cycle (low res) : 1 ! 180: Pixels per clock cycle (med res) : 2 ! 181: Pixels per clock cycle (high res) : 4 ! 182: Pixels per NOP (low res) : 4 ! 183: Pixels per NOP (med res) : 8 ! 184: Pixels per NOP (high res) : 16 ! 185: */ ! 186: #define SCREEN_START_HBL 64 /* This is usually the first line of the displayed screen */ ! 187: #define SCREEN_HEIGHT_HBL 200 /* This is usually the height of the screen */ ! 188: #define FIRST_VISIBLE_HBL (SCREEN_START_HBL-OVERSCAN_TOP) /* Normal screen starts 64 lines in, top border is 28 lines */ ! 189: #define NUM_VISIBLE_LINES (OVERSCAN_TOP+SCREEN_HEIGHT_HBL+OVERSCAN_BOTTOM) /* Number of visible screen lines including top/bottom borders */ ! 190: ! 191: /* Assumes 32 pixels left+right */ ! 192: #define SCREENBYTES_LEFT 16 /* Bytes for left border in ST screen */ ! 193: #define SCREENBYTES_MIDDLE 160 /* Middle(320 pixels) */ ! 194: #define SCREENBYTES_RIGHT 16 /* right border */ ! 195: #define SCREENBYTES_LINE (SCREENBYTES_LEFT+SCREENBYTES_MIDDLE+SCREENBYTES_RIGHT) ! 196: ! 197: /* Overscan values */ ! 198: #define OVERSCAN_LEFT (SCREENBYTES_LEFT*2) /* Number of pixels in each border */ ! 199: #define OVERSCAN_RIGHT (SCREENBYTES_RIGHT*2) ! 200: #define OVERSCAN_TOP 29 ! 201: #define OVERSCAN_BOTTOM 38 ! 202: #define OVERSCAN_MIDDLE 320 /* Number of pixels across screen(low res) */ ! 203: ! 204: #define SCREEN_START_CYCLE 96 /* Cycle first normal pixel appears on */ ! 205: #define SCANLINES_PER_FRAME 313 /* Number of scan lines per frame */ ! 206: #define CYCLES_PER_LINE 512 /* Cycles per horiztonal line scan */ ! 207: #define CYCLES_PER_FRAME (SCANLINES_PER_FRAME*CYCLES_PER_LINE) /* Cycles per VBL @ 50fps = 160256 */ ! 208: #define CYCLES_VBL_IN (SCREEN_START_HBL*CYCLES_PER_LINE) /*((28+64)*CYCLES_PER_LINE) */ ! 209: #define CYCLES_PER_SEC (CYCLES_PER_FRAME*50) /* Cycles per second */ ! 210: #define CYCLES_ENDLINE (64+320+88+40) /* DE(Display Enable) */ ! 211: #define CYCLES_HBL (CYCLES_PER_LINE+96) /* Cycles for first HBL - very inaccurate on ST */ ! 212: #define CYCLES_DEBUGGER 3000 /* Check debugger every 'x' cycles */ ! 213: ! 214: /* Illegal Opcode used to help emulation. eg. free entries are 8 to 15 inc' */ ! 215: #define GEMDOS_OPCODE 8 /* Free op-code to intercept GemDOS trap */ ! 216: #define RUNOLDGEMDOS_OPCODE 9 /* Free op-code to set PC to old GemDOS vector(if doesn't need to intercept) */ ! 217: #define CONDRV_OPCODE 10 /* Free op-code to intercept set up connected drives */ ! 218: #define TIMERD_OPCODE 11 /* Free op-code to prevent Timer D starting in GemDOS */ ! 219: #define VDI_OPCODE 12 /* Free op-code to call VDI handlers AFTER Trap#2 */ ! 220: #define LINEA_OPCODE 13 /* Free op-code to call handlers AFTER Line-A */ ! 221: /* Other Opcodes */ ! 222: #define RTS_OPCODE BIN16(0,1,0,0,1,1,1,0,0,1,1,1,0,1,0,1) ! 223: #define NOP_OPCODE BIN16(0,1,0,0,1,1,1,0,0,1,1,1,0,0,0,1) ! 224: #define BRAW_OPCODE BIN16(0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0) ! 225: ! 226: /* Handy invalid address for flags(24-bit address can never be this) */ ! 227: #define BRK_DISABLED 0xffffffff ! 228: #define BRK_SINGLE_INSTRUCTION 0xfffffffe ! 229: #define BRK_STOP 0xfffffffd ! 230: ! 231: #define PRG_HEADER_SIZE 0x1c /* Size of header at start of ST .prg files */ ! 232: ! 233: /* Emulation states */ ! 234: enum { ! 235: EMULATION_INACTIVE, ! 236: EMULATION_ACTIVE ! 237: }; ! 238: ! 239: extern BOOL bQuitProgram; ! 240: extern BOOL bEmulationActive; ! 241: extern char szName[]; ! 242: extern char szBootDiscImage[MAX_FILENAME_LENGTH]; ! 243: extern char szWorkingDir[MAX_FILENAME_LENGTH]; ! 244: extern char szCurrentDir[MAX_FILENAME_LENGTH]; ! 245: ! 246: extern void Main_MemorySnapShot_Capture(BOOL bSave); ! 247: extern void Main_SysError(char *Error,char *Title); ! 248: extern int Main_Message(char *lpText, char *lpCaption /*, unsigned int uType*/); ! 249: extern void Main_PauseEmulation(void); ! 250: extern void Main_UnPauseEmulation(void); ! 251: extern void Main_EventHandler(); ! 252: extern void Main_WaitVBLEvent(void); ! 253: extern BOOL Main_AlreadyWaitingVBLEvent(void); ! 254: /*extern void CALLBACK Main_SoundThreadFunc( UINT wTimerID, UINT msg, DWORD dwUsers, DWORD dw1, DWORD dw2 );*/ ! 255: extern void Main_SetSpeedThreadTimer(int nMinMaxSpeed); ! 256: ! 257: #endif /* ifndef MAIN_H */
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