--- hatari/src/includes/main.h 2019/04/01 07:12:13 1.1.1.10 +++ hatari/src/includes/main.h 2019/04/09 08:54:26 1.1.1.25 @@ -1,18 +1,14 @@ /* Hatari - main.h - This file is distributed under the GNU Public License, version 2 or at - your option any later version. Read the file gpl.txt for details. + This file is distributed under the GNU General Public License, version 2 + or at your option any later version. Read the file gpl.txt for details. */ #ifndef HATARI_MAIN_H #define HATARI_MAIN_H -typedef int BOOL; - -#define PROG_NAME "Hatari v0.70" /* Name, version for window title */ -#define PROG_VERSION "v0.70" - +#include "config.h" #include #include @@ -21,158 +17,46 @@ typedef int BOOL; #include #include +#include +#if __GNUC__ >= 3 +# define likely(x) __builtin_expect (!!(x), 1) +# define unlikely(x) __builtin_expect (!!(x), 0) +#else +# define likely(x) (x) +# define unlikely(x) (x) +#endif -#ifndef FALSE -#define FALSE 0 -#define TRUE (!0) +#ifdef WIN32 +#define PATHSEP '\\' +#else +#define PATHSEP '/' #endif #define CALL_VAR(func) { ((void(*)(void))func)(); } +#ifndef ARRAYSIZE +#define ARRAYSIZE(x) (int)(sizeof(x)/sizeof(x[0])) +#endif /* 68000 operand sizes */ #define SIZE_BYTE 1 #define SIZE_WORD 2 #define SIZE_LONG 4 -/* 68000 Register defines */ -enum { - REG_D0, /* D0.. */ - REG_D1, - REG_D2, - REG_D3, - REG_D4, - REG_D5, - REG_D6, - REG_D7, /* ..D7 */ - REG_A0, /* A0.. */ - REG_A1, - REG_A2, - REG_A3, - REG_A4, - REG_A5, - REG_A6, - REG_A7, /* ..A7 (also SP) */ -}; - -/* 68000 Condition code's */ -#define SR_AUX 0x0010 -#define SR_NEG 0x0008 -#define SR_ZERO 0x0004 -#define SR_OVERFLOW 0x0002 -#define SR_CARRY 0x0001 - -#define SR_CLEAR_AUX 0xffef -#define SR_CLEAR_NEG 0xfff7 -#define SR_CLEAR_ZERO 0xfffb -#define SR_CLEAR_OVERFLOW 0xfffd -#define SR_CLEAR_CARRY 0xfffe - -#define SR_CCODE_MASK (SR_AUX|SR_NEG|SR_ZERO|SR_OVERFLOW|SR_CARRY) -#define SR_MASK 0xFFE0 - -#define SR_TRACEMODE 0x8000 -#define SR_SUPERMODE 0x2000 -#define SR_IPL 0x0700 - -#define SR_CLEAR_IPL 0xf8ff -#define SR_CLEAR_TRACEMODE 0x7fff -#define SR_CLEAR_SUPERMODE 0xdfff - -/* Exception vectors */ -#define EXCEPTION_BUSERROR 0x00000008 -#define EXCEPTION_ADDRERROR 0x0000000c -#define EXCEPTION_ILLEGALINS 0x00000010 -#define EXCEPTION_DIVZERO 0x00000014 -#define EXCEPTION_CHK 0x00000018 -#define EXCEPTION_TRAPV 0x0000001c -#define EXCEPTION_TRACE 0x00000024 -#define EXCEPTION_LINE_A 0x00000028 -#define EXCEPTION_LINE_F 0x0000002c -#define EXCEPTION_HBLANK 0x00000068 -#define EXCEPTION_VBLANK 0x00000070 -#define EXCEPTION_TRAP0 0x00000080 -#define EXCEPTION_TRAP1 0x00000084 -#define EXCEPTION_TRAP2 0x00000088 -#define EXCEPTION_TRAP13 0x000000B4 -#define EXCEPTION_TRAP14 0x000000B8 - -/* Find IPL - don't forget to call MakeSR() before you use it! */ -#define FIND_IPL ((SR>>8)&0x7) - -/* Size of 68000 instructions */ -#define MAX_68000_INSTRUCTION_SIZE 10 /* Longest 68000 instruction is 10 bytes(6+4) */ -#define MIN_68000_INSTRUCTION_SIZE 2 /* Smallest 68000 instruction is 2 bytes(ie NOP) */ +/* The 8 MHz CPU frequency */ +#define CPU_FREQ 8012800 -/* - All the following processor timings are based on a bog standard 8MHz 68000 as found in all standard ST's +extern bool bQuitProgram; - Clock cycles per line (50Hz) : 512 - NOPs per scan line (50Hz) : 128 - Scan lines per VBL (50Hz) : 313 (64 at top,200 screen,49 bottom) - - Clock cycles per line (60Hz) : 508 - NOPs per scan line (60Hz) : 127 - Scan lines per VBL (60Hz) : 263 - - Clock cycles per VBL (50Hz) : 160256 - NOPs per VBL (50Hz) : 40064 - - Pixels per clock cycle (low res) : 1 - Pixels per clock cycle (med res) : 2 - Pixels per clock cycle (high res) : 4 - Pixels per NOP (low res) : 4 - Pixels per NOP (med res) : 8 - Pixels per NOP (high res) : 16 -*/ -#define SCREEN_START_HBL 64 /* This is usually the first line of the displayed screen */ -#define SCREEN_HEIGHT_HBL 200 /* This is usually the height of the screen */ -#define FIRST_VISIBLE_HBL (SCREEN_START_HBL-OVERSCAN_TOP) /* Normal screen starts 64 lines in, top border is 28 lines */ -#define NUM_VISIBLE_LINES (OVERSCAN_TOP+SCREEN_HEIGHT_HBL+OVERSCAN_BOTTOM) /* Number of visible screen lines including top/bottom borders */ - -/* Assumes 32 pixels left+right */ -#define SCREENBYTES_LEFT 16 /* Bytes for left border in ST screen */ -#define SCREENBYTES_MIDDLE 160 /* Middle(320 pixels) */ -#define SCREENBYTES_RIGHT 16 /* right border */ -#define SCREENBYTES_LINE (SCREENBYTES_LEFT+SCREENBYTES_MIDDLE+SCREENBYTES_RIGHT) - -/* Overscan values */ -#define OVERSCAN_LEFT (SCREENBYTES_LEFT*2) /* Number of pixels in each border */ -#define OVERSCAN_RIGHT (SCREENBYTES_RIGHT*2) -#define OVERSCAN_TOP 29 -#define OVERSCAN_BOTTOM 38 -#define OVERSCAN_MIDDLE 320 /* Number of pixels across screen(low res) */ - -#define SCREEN_START_CYCLE 96 /* Cycle first normal pixel appears on */ -#define SCANLINES_PER_FRAME 313 /* Number of scan lines per frame */ -#define CYCLES_PER_LINE 512 /* Cycles per horiztonal line scan */ -#define CYCLES_VBL_IN (SCREEN_START_HBL*CYCLES_PER_LINE) /* ((28+64)*CYCLES_PER_LINE) */ -#define CYCLES_PER_FRAME (SCANLINES_PER_FRAME*CYCLES_PER_LINE) /* Cycles per VBL @ 50fps = 160256 */ -#define CYCLES_PER_SEC (CYCLES_PER_FRAME*50) /* Cycles per second */ -#define CYCLES_ENDLINE (64+320+88+40) /* DE(Display Enable) */ -#define CYCLES_HBL (CYCLES_PER_LINE+96) /* Cycles for first HBL - very inaccurate on ST */ - -/* Illegal Opcode used to help emulation. eg. free entries are 8 to 15 inc' */ -#define GEMDOS_OPCODE 8 /* Free op-code to intercept GemDOS trap */ -#define SYSINIT_OPCODE 10 /* Free op-code to initialize system (connected drives etc.) */ -#define VDI_OPCODE 12 /* Free op-code to call VDI handlers AFTER Trap#2 */ - - -#define PRG_HEADER_SIZE 0x1c /* Size of header at start of ST .prg files */ - - -extern BOOL bQuitProgram; -extern BOOL bEnableDebug; -extern BOOL bEmulationActive; -extern char szBootDiscImage[FILENAME_MAX]; -extern char szWorkingDir[FILENAME_MAX]; - - -extern void Main_MemorySnapShot_Capture(BOOL bSave); -extern void Main_PauseEmulation(void); -extern void Main_UnPauseEmulation(void); +extern bool Main_PauseEmulation(bool visualize); +extern bool Main_UnPauseEmulation(void); +extern void Main_RequestQuit(int exitval); +extern void Main_SetRunVBLs(Uint32 vbls); +extern bool Main_SetVBLSlowdown(int factor); +extern void Main_WaitOnVbl(void); extern void Main_WarpMouse(int x, int y); extern void Main_EventHandler(void); +extern void Main_SetTitle(const char *title); #endif /* ifndef HATARI_MAIN_H */