mirror of
https://github.com/digarok/gsplus.git
synced 2024-10-31 15:05:55 +00:00
d7a92f4441
cop=1 brk=1 to enable brk/cop support. cop/brk instructions will be caught *BEFORE* execution and drop into the debugger shell. step/go/next will execute the instruction as normal. %pc++ will skip over the instruction.
172 lines
5.1 KiB
C
172 lines
5.1 KiB
C
/*
|
|
GSPLUS - Advanced Apple IIGS Emulator Environment
|
|
Based on the KEGS emulator written by Kent Dickey
|
|
See COPYRIGHT.txt for Copyright information
|
|
See LICENSE.txt for license (GPL v2)
|
|
*/
|
|
|
|
#define SHIFT_PER_CHANGE 3
|
|
#define CHANGE_SHIFT (5 + SHIFT_PER_CHANGE)
|
|
|
|
#define SLOW_MEM_CH_SIZE (0x10000 >> CHANGE_SHIFT)
|
|
|
|
#define MAXNUM_HEX_PER_LINE 32
|
|
|
|
/* Different Joystick defines */
|
|
#define JOYSTICK_MOUSE 1
|
|
#define JOYSTICK_LINUX 2
|
|
#define JOYSTICK_KEYPAD 3
|
|
#define JOYSTICK_WIN32_1 4
|
|
#define JOYSTICK_WIN32_2 5
|
|
|
|
|
|
#define HALT_EVENT 0x10
|
|
#define HALT_WANTTOQUIT 0x20 // OG : added WANTTOQUIT event
|
|
#define HALT_WANTTOBRK 0x40 // OG : added WANTTOBRK event
|
|
|
|
#define MAX_BREAK_POINTS 0x20
|
|
|
|
#define MAX_BP_INDEX 0x100
|
|
#define MAX_BP_PER_INDEX 3 /* 4 word32s total = 16 bytes */
|
|
#define SIZE_BREAKPT_ENTRY_BITS 4 /* 16 bytes = 4 bits */
|
|
|
|
/* Warning--next defines used by asm! */
|
|
#define PAGE_INFO_PAD_SIZE 0x800
|
|
#define PAGE_INFO_WR_OFFSET 0x10000+PAGE_INFO_PAD_SIZE
|
|
|
|
#define BANK_IO_BIT 31
|
|
#define BANK_SHADOW_BIT 30
|
|
#define BANK_SHADOW2_BIT 29
|
|
#define BANK_IO2_BIT 28
|
|
#define BANK_BREAK_BIT 27
|
|
#define BANK_BREAK (1 << (31 - BANK_BREAK_BIT))
|
|
#define BANK_IO2_TMP (1 << (31 - BANK_IO2_BIT))
|
|
#define BANK_IO_TMP (1 << (31 - BANK_IO_BIT))
|
|
#define BANK_SHADOW (1 << (31 - BANK_SHADOW_BIT))
|
|
#define BANK_SHADOW2 (1 << (31 - BANK_SHADOW2_BIT))
|
|
#define SET_BANK_IO \
|
|
(&g_dummy_memory1_ptr[BANK_IO_TMP | BANK_IO2_TMP])
|
|
|
|
#define BANK_BAD_MEM (&g_dummy_memory1_ptr[0xff])
|
|
|
|
/*
|
|
* this is only relevant for the PA RISC asm.
|
|
*
|
|
*/
|
|
#define ENGINE_FPLUS_PTR 0x00
|
|
#define ENGINE_FCYCLES 0x08
|
|
#define ENGINE_REG_KPC 0x10
|
|
#define ENGINE_REG_ACC 0x14
|
|
#define ENGINE_REG_XREG 0x18
|
|
#define ENGINE_REG_YREG 0x1c
|
|
#define ENGINE_REG_STACK 0x20
|
|
#define ENGINE_REG_DBANK 0x24
|
|
#define ENGINE_REG_DIRECT 0x28
|
|
#define ENGINE_REG_PSR 0x2c
|
|
#define ENGINE_FLAGS 0x30
|
|
|
|
#define LOG_PC_DCYCS 0x00
|
|
#define LOG_PC_DBANK_KPC 0x08
|
|
#define LOG_PC_INSTR 0x0c
|
|
#define LOG_PC_PSR_ACC 0x10
|
|
#define LOG_PC_XREG_YREG 0x14
|
|
#define LOG_PC_STACK_DIRECT 0x18
|
|
#define LOG_PC_PAD 0x1c
|
|
|
|
#define LOG_PC_SIZE 0x20
|
|
|
|
|
|
#define FPLUS_PLUS_1 0x00
|
|
#define FPLUS_PLUS_2 0x08
|
|
#define FPLUS_PLUS_3 0x10
|
|
#define FPLUS_PLUS_X_M1 0x18
|
|
|
|
#define RET_BRK 0x1
|
|
#define RET_COP 0x2
|
|
#define RET_WDM 0x3
|
|
#define RET_MVP 0x4
|
|
#define RET_MVN 0x5
|
|
#define RET_WAI 0x6
|
|
#define RET_STP 0x7
|
|
#define RET_HALT 0x8
|
|
#define RET_C700 0xa
|
|
#define RET_C70A 0xb
|
|
#define RET_C70D 0xc
|
|
#define RET_IRQ 0xd
|
|
#define RET_BP 0xe
|
|
#define RET_MP 0xf
|
|
|
|
#define FLAG_IGNORE_MP 0x01
|
|
#define FLAG_IGNORE_BP 0x02
|
|
#define FLAG_STEP 0x04
|
|
#define FLAG_WANT_BRK 0x08
|
|
#define FLAG_WANT_COP 0x10
|
|
#define FLAG_WANT_RET 0x20
|
|
#define FLAG_WANT_JSL 0x40
|
|
#define FLAG_IGNORE_BRK 0x80 /* and cop */
|
|
|
|
#define MODE_BORDER 0
|
|
#define MODE_TEXT 1
|
|
#define MODE_GR 2
|
|
#define MODE_HGR 3
|
|
#define MODE_SUPER_HIRES 4
|
|
|
|
#define BIT_ALL_STAT_TEXT 0
|
|
#define BIT_ALL_STAT_VID80 1
|
|
#define BIT_ALL_STAT_ST80 2
|
|
#define BIT_ALL_STAT_COLOR_C021 3
|
|
#define BIT_ALL_STAT_MIX_T_GR 4
|
|
#define BIT_ALL_STAT_DIS_COLOR_DHIRES 5 /* special val, c029 */
|
|
#define BIT_ALL_STAT_PAGE2 6 /* special val, statereg */
|
|
#define BIT_ALL_STAT_SUPER_HIRES 7 /* special, c029 */
|
|
#define BIT_ALL_STAT_HIRES 8
|
|
#define BIT_ALL_STAT_ANNUNC3 9
|
|
#define BIT_ALL_STAT_BG_COLOR 10 /* 4 bits */
|
|
#define BIT_ALL_STAT_TEXT_COLOR 14 /* 4 bits */
|
|
/* Text must be just above */
|
|
/* bg to match c022 reg */
|
|
#define BIT_ALL_STAT_ALTCHARSET 18
|
|
#define BIT_ALL_STAT_FLASH_STATE 19
|
|
#define BIT_ALL_STAT_A2VID_PALETTE 20 /* 4 bits */
|
|
|
|
#define ALL_STAT_SUPER_HIRES (1 << (BIT_ALL_STAT_SUPER_HIRES))
|
|
#define ALL_STAT_TEXT (1 << (BIT_ALL_STAT_TEXT))
|
|
#define ALL_STAT_VID80 (1 << (BIT_ALL_STAT_VID80))
|
|
#define ALL_STAT_PAGE2 (1 << (BIT_ALL_STAT_PAGE2))
|
|
#define ALL_STAT_ST80 (1 << (BIT_ALL_STAT_ST80))
|
|
#define ALL_STAT_COLOR_C021 (1 << (BIT_ALL_STAT_COLOR_C021))
|
|
#define ALL_STAT_DIS_COLOR_DHIRES (1 << (BIT_ALL_STAT_DIS_COLOR_DHIRES))
|
|
#define ALL_STAT_MIX_T_GR (1 << (BIT_ALL_STAT_MIX_T_GR))
|
|
#define ALL_STAT_HIRES (1 << (BIT_ALL_STAT_HIRES))
|
|
#define ALL_STAT_ANNUNC3 (1 << (BIT_ALL_STAT_ANNUNC3))
|
|
#define ALL_STAT_TEXT_COLOR (0xf << (BIT_ALL_STAT_TEXT_COLOR))
|
|
#define ALL_STAT_BG_COLOR (0xf << (BIT_ALL_STAT_BG_COLOR))
|
|
#define ALL_STAT_ALTCHARSET (1 << (BIT_ALL_STAT_ALTCHARSET))
|
|
#define ALL_STAT_FLASH_STATE (1 << (BIT_ALL_STAT_FLASH_STATE))
|
|
#define ALL_STAT_A2VID_PALETTE (0xf << (BIT_ALL_STAT_A2VID_PALETTE))
|
|
|
|
#define BORDER_WIDTH 32
|
|
|
|
// OG Eff_border_widht == border side in A2 mode
|
|
#define EFF_BORDER_WIDTH (BORDER_WIDTH + (640-560)/2)
|
|
|
|
/* BASE_MARGIN_BOTTOM+MARGIN_TOP must equal 62. There are 262 scan lines */
|
|
/* at 60Hz (15.7KHz line rate) and so we just make 62 border lines */
|
|
#define BASE_MARGIN_TOP 32
|
|
#define BASE_MARGIN_BOTTOM 30
|
|
#define BASE_MARGIN_LEFT BORDER_WIDTH
|
|
#define BASE_MARGIN_RIGHT BORDER_WIDTH
|
|
|
|
#define A2_WINDOW_WIDTH 640
|
|
#define A2_WINDOW_HEIGHT 400
|
|
|
|
#define X_A2_WINDOW_WIDTH (A2_WINDOW_WIDTH + BASE_MARGIN_LEFT + BASE_MARGIN_RIGHT)
|
|
#define X_A2_WINDOW_HEIGHT (A2_WINDOW_HEIGHT + BASE_MARGIN_TOP + BASE_MARGIN_BOTTOM)
|
|
#define BASE_WINDOW_WIDTH (X_A2_WINDOW_WIDTH)
|
|
#define BASE_WINDOW_HEIGHT (X_A2_WINDOW_HEIGHT)
|
|
|
|
#define MAX_STATUS_LINES 7
|
|
#define STATUS_LINE_LENGTH 88
|
|
|
|
#define A2_BORDER_COLOR_NUM 0xfe
|