commodore_geos.c File Reference

#include "xemu/emutools.h"
#include "xemu/emutools_files.h"
#include "commodore_geos.h"
#include "xemu/cpu65.h"
#include "xemu/cia6526.h"
#include "xemu/emutools_hid.h"
#include "xemu/emutools_config.h"
#include "xemu/c64_kbd_mapping.h"
#include "geos.h"

Include dependency graph for commodore_geos.c:

Go to the source code of this file.

Macros
#define	DISK_IMAGE_SIZE   819200
#define	CPU_PORT_DEFAULT_VALUE0   0xFF
#define	CPU_PORT_DEFAULT_VALUE1   0xFF
#define	BASIC_ROM_OFFSET   0x10000
#define	KERNAL_ROM_OFFSET   0x12000
#define	CHAR_ROM_OFFSET   0x14000
#define	IO_OFFSET   0x15000
#define	IO_VIRT_ADDR   (memory + IO_OFFSET)
#define	MAP_RAM   memory
#define	MAP_BASIC   memory + BASIC_ROM_OFFSET - 0xA000
#define	MAP_KERNAL   memory + KERNAL_ROM_OFFSET - 0xE000
#define	MAP_CHRROM   memory + CHAR_ROM_OFFSET - 0xD000
#define	MAP_IO   memory + IO_OFFSET - 0xD000
#define	MAP_RAM_TWICE   MAP_RAM,MAP_RAM
#define	MAP_RAM_10_TIMES   MAP_RAM_TWICE,MAP_RAM_TWICE,MAP_RAM_TWICE,MAP_RAM_TWICE,MAP_RAM_TWICE
#define	MAP_BASIC_TWICE   MAP_BASIC,MAP_BASIC
#define	MAP_KERNAL_TWICE   MAP_KERNAL,MAP_KERNAL
#define	KERNAL_PATCH_ADDR   0xE388
#define	PATCH_P   memory[KERNAL_PATCH_ADDR - 0xE000 + KERNAL_ROM_OFFSET]
#define	PATCH_OLD_BYTE   0x6C
#define	PATCH_NEW_BYTE   CPU65_TRAP_OPCODE
#define	GET_READ_P(a)   (memcfgs[cpu_port_memconfig][0][(a)>>12] + (a))
#define	GET_WRITE_P(a)   (memcfgs[cpu_port_memconfig][1][(a)>>12] + (a))
#define	IS_P_IO(p)   ((p) >= IO_VIRT_ADDR)
#define	CHECK_PIXEL_POINTER
#define	SPRITE_X_START_SCREEN   24
#define	SPRITE_Y_START_SCREEN   50

Functions
void	vic2_check_raster_interrupt (void)
void	vic2_write_reg (int addr, Uint8 data)
Uint8	vic2_read_reg (int addr)
void	vic2_render_screen (void)
void	clear_emu_events (void)
int	cpu65_trap_callback (const Uint8 opcode)
void	cpu65_illegal_opcode_callback (void)
Uint8	cpu65_read_callback (Uint16 addr)
void	cpu65_write_callback (Uint16 addr, Uint8 data)
void	cpu65_write_rmw_callback (Uint16 addr, Uint8 old_data, Uint8 new_data)
int	emu_callback_key (int pos, SDL_Scancode key, int pressed, int handled)
int	main (int argc, char **argv)

Variables
Uint8	memory [IO_OFFSET+1]
Uint8	colour_sram [1024]

Macro Definition Documentation

BASIC_ROM_OFFSET

#define BASIC_ROM_OFFSET   0x10000

Definition at line 65 of file commodore_geos.c.

CHAR_ROM_OFFSET

#define CHAR_ROM_OFFSET   0x14000

Definition at line 67 of file commodore_geos.c.

CHECK_PIXEL_POINTER

#define CHECK_PIXEL_POINTER

Definition at line 154 of file commodore_geos.c.

CPU_PORT_DEFAULT_VALUE0

#define CPU_PORT_DEFAULT_VALUE0   0xFF

Definition at line 62 of file commodore_geos.c.

CPU_PORT_DEFAULT_VALUE1

#define CPU_PORT_DEFAULT_VALUE1   0xFF

Definition at line 63 of file commodore_geos.c.

DISK_IMAGE_SIZE

#define DISK_IMAGE_SIZE   819200

Definition at line 45 of file commodore_geos.c.

GET_READ_P

#define GET_READ_P

(

a

)

(memcfgs[cpu_port_memconfig][0][(a)>>12] + (a))

Definition at line 103 of file commodore_geos.c.

GET_WRITE_P

#define GET_WRITE_P

(

a

)

(memcfgs[cpu_port_memconfig][1][(a)>>12] + (a))

Definition at line 104 of file commodore_geos.c.

IO_OFFSET

#define IO_OFFSET   0x15000

Definition at line 68 of file commodore_geos.c.

IO_VIRT_ADDR

#define IO_VIRT_ADDR   (memory + IO_OFFSET)

Definition at line 71 of file commodore_geos.c.

IS_P_IO

#define IS_P_IO

(

p

)

((p) >= IO_VIRT_ADDR)

Definition at line 105 of file commodore_geos.c.

KERNAL_PATCH_ADDR

#define KERNAL_PATCH_ADDR   0xE388

Definition at line 83 of file commodore_geos.c.

KERNAL_ROM_OFFSET

#define KERNAL_ROM_OFFSET   0x12000

Definition at line 66 of file commodore_geos.c.

MAP_BASIC

#define MAP_BASIC   memory + BASIC_ROM_OFFSET - 0xA000

Definition at line 74 of file commodore_geos.c.

MAP_BASIC_TWICE

#define MAP_BASIC_TWICE   MAP_BASIC,MAP_BASIC

Definition at line 80 of file commodore_geos.c.

MAP_CHRROM

#define MAP_CHRROM   memory + CHAR_ROM_OFFSET - 0xD000

Definition at line 76 of file commodore_geos.c.

MAP_IO

#define MAP_IO   memory + IO_OFFSET - 0xD000

Definition at line 77 of file commodore_geos.c.

MAP_KERNAL

#define MAP_KERNAL   memory + KERNAL_ROM_OFFSET - 0xE000

Definition at line 75 of file commodore_geos.c.

MAP_KERNAL_TWICE

#define MAP_KERNAL_TWICE   MAP_KERNAL,MAP_KERNAL

Definition at line 81 of file commodore_geos.c.

MAP_RAM

#define MAP_RAM   memory

Definition at line 73 of file commodore_geos.c.

MAP_RAM_10_TIMES

#define MAP_RAM_10_TIMES   MAP_RAM_TWICE,MAP_RAM_TWICE,MAP_RAM_TWICE,MAP_RAM_TWICE,MAP_RAM_TWICE

Definition at line 79 of file commodore_geos.c.

MAP_RAM_TWICE

#define MAP_RAM_TWICE   MAP_RAM,MAP_RAM

Definition at line 78 of file commodore_geos.c.

PATCH_NEW_BYTE

#define PATCH_NEW_BYTE   CPU65_TRAP_OPCODE

Definition at line 86 of file commodore_geos.c.

PATCH_OLD_BYTE

#define PATCH_OLD_BYTE   0x6C

Definition at line 85 of file commodore_geos.c.

PATCH_P

#define PATCH_P   memory[KERNAL_PATCH_ADDR - 0xE000 + KERNAL_ROM_OFFSET]

Definition at line 84 of file commodore_geos.c.

SPRITE_X_START_SCREEN

#define SPRITE_X_START_SCREEN   24

Definition at line 393 of file commodore_geos.c.

SPRITE_Y_START_SCREEN

#define SPRITE_Y_START_SCREEN   50

Definition at line 394 of file commodore_geos.c.

Function Documentation

clear_emu_events()

void clear_emu_events

(

void

)

Definition at line 514 of file commodore_geos.c.

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cpu65_illegal_opcode_callback()

void cpu65_illegal_opcode_callback

(

void

)

Definition at line 709 of file commodore_geos.c.

cpu65_read_callback()

Uint8 cpu65_read_callback

(

Uint16

addr

)

Definition at line 718 of file commodore_geos.c.

cpu65_trap_callback()

int cpu65_trap_callback

(

const Uint8

opcode

)

Definition at line 677 of file commodore_geos.c.

cpu65_write_callback()

void cpu65_write_callback	(	Uint16	addr,
		Uint8	data
	)

Definition at line 727 of file commodore_geos.c.

cpu65_write_rmw_callback()

void cpu65_write_rmw_callback	(	Uint16	addr,
		Uint8	old_data,
		Uint8	new_data
	)

Definition at line 743 of file commodore_geos.c.

emu_callback_key()

int emu_callback_key	(	int	pos,
		SDL_Scancode	key,
		int	pressed,
		int	handled
	)

Definition at line 764 of file commodore_geos.c.

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 797 of file commodore_geos.c.

vic2_check_raster_interrupt()

void vic2_check_raster_interrupt

(

void

)

Definition at line 211 of file commodore_geos.c.

vic2_read_reg()

Uint8 vic2_read_reg

(

int

addr

)

Definition at line 258 of file commodore_geos.c.

vic2_render_screen()

void vic2_render_screen

(

void

)

Definition at line 453 of file commodore_geos.c.

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vic2_write_reg()

void vic2_write_reg	(	int	addr,
		Uint8	data
	)

Definition at line 229 of file commodore_geos.c.

Variable Documentation

colour_sram

Uint8 colour_sram[1024]

Definition at line 117 of file commodore_geos.c.

drive

char * drive

Definition at line 151 of file commodore_geos.c.

fullscreen

int fullscreen

Definition at line 149 of file commodore_geos.c.

geosimg

char* geosimg

Definition at line 151 of file commodore_geos.c.

geoskernal

char * geoskernal

Definition at line 151 of file commodore_geos.c.

memory

Uint8 memory[IO_OFFSET+1]

Definition at line 70 of file commodore_geos.c.

rombasic

char * rombasic

Definition at line 151 of file commodore_geos.c.

romchar

char * romchar

Definition at line 151 of file commodore_geos.c.

romkernal

char * romkernal

Definition at line 151 of file commodore_geos.c.

sdlrenderquality

int sdlrenderquality

Definition at line 150 of file commodore_geos.c.

syscon

int syscon

Definition at line 149 of file commodore_geos.c.