#include <sys/types.h>
#include <unistd.h>
#include <sys/ioctl.h>
-#include <SDL2/SDL.h>
#include "m68k.h"
#include "main.h"
#include "platforms/platforms.h"
#include "platforms/amiga/rtg/rtg.h"
#include "gpio/gpio.h"
+unsigned char read_ranges;
+unsigned int read_addr[8];
+unsigned int read_upper[8];
+unsigned char *read_data[8];
+unsigned char write_ranges;
+unsigned int write_addr[8];
+unsigned int write_upper[8];
+unsigned char *write_data[8];
+
int kb_hook_enabled = 0;
int mouse_hook_enabled = 0;
int cpu_emulation_running = 1;
extern volatile unsigned int *gpio;
extern volatile uint16_t srdata;
+extern uint8_t realtime_graphics_debug;
+uint8_t realtime_disassembly;
+
+char disasm_buf[4096];
#define KICKBASE 0xF80000
#define KICKSIZE 0x7FFFF
int mem_fd, mouse_fd = -1, keyboard_fd = -1;
int mem_fd_gpclk;
int gayle_emulation_enabled = 1;
+int irq;
+int gayleirq;
+
+void *iplThread(void *args) {
+ printf("IPL thread running\n");
+
+ while (1) {
+ if (!gpio_get_irq()) {
+ irq = 1;
+ m68k_end_timeslice();
+ }
+ else
+ irq = 0;
+
+ if (gayle_emulation_enabled) {
+ if ((gayle_int & 0x80) && get_ide(0)->drive->intrq) {
+ gayleirq = 1;
+ m68k_end_timeslice();
+ }
+ else
+ gayleirq = 0;
+ }
+ usleep(0);
+ }
+ return args;
+}
+
// Configurable emulator options
unsigned int cpu_type = M68K_CPU_TYPE_68000;
unsigned int loop_cycles = 300;
struct emulator_config *cfg = NULL;
-char keyboard_file[256] = "/dev/input/event0";
+char keyboard_file[256] = "/dev/input/event1";
//unsigned char g_kick[524288];
//unsigned char g_ram[FASTSIZE + 1]; /* RAM */
}
}
- // Initialize SDL.
- printf("Initializing SDL2...\n");
- if (SDL_Init(0) < 0) {
- printf("Failed to initialize SDL2.\n");
- }
- else {
- printf("Initializing SDL2 Video...\n");
- if (SDL_Init(SDL_INIT_VIDEO) < 0) {
- printf("Failed to initialize SDL2 Video. Trying again.\n");
- if (SDL_Init(SDL_INIT_VIDEO) < 0) {
- printf("Failed to initialize SDL2 Video again. Dying.\n");
- }
- }
- printf("Initialized SDL2 Video.\n");
- }
-
keyboard_fd = open(keyboard_file, O_RDONLY | O_NONBLOCK);
if (keyboard_fd == -1) {
printf("Failed to open keyboard event source.\n");
}
- sched_setscheduler(0, SCHED_FIFO, &priority);
- mlockall(MCL_CURRENT); // lock in memory to keep us from paging out
-
InitGayle();
signal(SIGINT, sigint_handler);
// reset amiga and statemachine
skip_everything:;
- cpu_pulse_reset();
- ovl = 1;
- m68k_write_memory_8(0xbfe201, 0x0001); // AMIGA OVL
- m68k_write_memory_8(0xbfe001, 0x0001); // AMIGA OVL high (ROM@0x0)
usleep(1500);
m68k_init();
printf("Setting CPU type to %d.\n", cpu_type);
m68k_set_cpu_type(cpu_type);
- m68k_pulse_reset();
+ cpu_pulse_reset();
if (maprom == 1) {
m68k_set_reg(M68K_REG_PC, 0xF80002);
char c = 0;
+ pthread_t id;
+ int err;
+ err = pthread_create(&id, NULL, &iplThread, NULL);
+ if (err != 0)
+ printf("can't create IPL thread :[%s]", strerror(err));
+ else
+ printf("IPL Thread created successfully\n");
+
m68k_pulse_reset();
while (42) {
if (mouse_hook_enabled) {
- if (get_mouse_status(&mouse_dx, &mouse_dy, &mouse_buttons)) {
- //printf("Maus: %d (%.2X), %d (%.2X), B:%.2X\n", mouse_dx, mouse_dx, mouse_dy, mouse_dy, mouse_buttons);
- }
+ get_mouse_status(&mouse_dx, &mouse_dy, &mouse_buttons);
}
if (cpu_emulation_running)
m68k_execute(loop_cycles);
+
+disasm_run:;
+ if (realtime_disassembly) {
+ m68k_execute(1);
+ m68k_disassemble(disasm_buf, m68k_get_reg(NULL, M68K_REG_PC), cpu_type);
+ printf("%.8X (%.8X)]] %s\n", m68k_get_reg(NULL, M68K_REG_PC), (m68k_get_reg(NULL, M68K_REG_PC) & 0xFFFFFF), disasm_buf);
+ }
+ if (irq) {
+ unsigned int status = read_reg();
+ m68k_set_irq((status & 0xe000) >> 13);
+ //printf("There was an IRQ: %d\n", (status & 0xe000) >> 13);
+ }
+ else if (gayleirq) {
+ write16(0xdff09c, 0x8000 | (1 << 3));
+ //PAULA_SET_IRQ(3); // IRQ 3 = INT2
+ m68k_set_irq(2);
+ }
+ else {
+ m68k_set_irq(0);
+ }
+
+ //usleep(0);
// FIXME: Rework this to use keyboard events instead.
- /*while (get_key_char(&c)) {
+ while (get_key_char(&c)) {
if (c == cfg->keyboard_toggle_key && !kb_hook_enabled) {
kb_hook_enabled = 1;
printf("Keyboard hook enabled.\n");
cpu_emulation_running ^= 1;
printf("CPU emulation is now %s\n", cpu_emulation_running ? "running" : "stopped");
}
+ if (c == 'g') {
+ realtime_graphics_debug ^= 1;
+ printf("Real time graphics debug is now %s\n", realtime_graphics_debug ? "on" : "off");
+ }
if (c == 'R') {
cpu_pulse_reset();
m68k_pulse_reset();
printf("Quitting and exiting emulator.\n");
goto stop_cpu_emulation;
}
+ if (c == 'd') {
+ realtime_disassembly ^= 1;
+ printf("Real time disassembly is now %s\n", realtime_disassembly ? "on" : "off");
+ }
}
- }*/
+ }
+
+ if (realtime_disassembly)
+ goto disasm_run;
//gpio_handle_irq();
- GPIO_HANDLE_IRQ;
+ //GPIO_HANDLE_IRQ;
}
stop_cpu_emulation:;
usleep(100000);
write_reg(0x02);
// printf("Status Reg%x\n",read_reg());
+
+ ovl = 1;
+ m68k_write_memory_8(0xbfe201, 0x0001); // AMIGA OVL
+ m68k_write_memory_8(0xbfe001, 0x0001); // AMIGA OVL high (ROM@0x0)
+
+ m68k_pulse_reset();
}
int cpu_irq_ack(int level) {
unsigned int target = 0; \
switch(cfg->platform->id) { \
case PLATFORM_AMIGA: { \
- if (address >= PIGFX_RTG_BASE && address < PIGFX_RTG_BASE + PIGFX_RTG_SIZE) { \
+ if (address >= PIGFX_RTG_BASE && address < PIGFX_UPPER) { \
return rtg_read((address & 0x0FFFFFFF), a); \
} \
if (custom_read_amiga(cfg, address, &target, a) != -1) { \
unsigned int m68k_read_memory_8(unsigned int address) {
PLATFORM_CHECK_READ(OP_TYPE_BYTE);
- address &=0xFFFFFF;
- return read8((uint32_t)address);
+ if (mouse_hook_enabled) {
+ if (address == CIAAPRA) {
+ unsigned char result = (unsigned int)read8((uint32_t)address);
+ if (mouse_buttons & 0x01) {
+ //mouse_buttons -= 1;
+ return (unsigned int)(result ^ 0x40);
+ }
+ else
+ return (unsigned int)result;
+ }
+ }
+
+ address &=0xFFFFFF;
+ return read8((uint32_t)address);
}
unsigned int m68k_read_memory_16(unsigned int address) {
if (address == JOY0DAT) {
// Forward mouse valueses to Amyga.
unsigned short result = (mouse_dy << 8) | (mouse_dx);
- mouse_dx = mouse_dy = 0;
return (unsigned int)result;
}
- if (address == CIAAPRA) {
+ /*if (address == CIAAPRA) {
unsigned short result = (unsigned int)read16((uint32_t)address);
if (mouse_buttons & 0x01) {
- mouse_buttons -= 1;
return (unsigned int)(result | 0x40);
}
else
return (unsigned int)result;
- }
+ }*/
if (address == POTGOR) {
unsigned short result = (unsigned int)read16((uint32_t)address);
if (mouse_buttons & 0x02) {
- mouse_buttons -= 2;
- return (unsigned int)(result | 0x2);
+ return (unsigned int)(result ^ (0x2 << 9));
}
else
- return (unsigned int)result;
+ return (unsigned int)(result & 0xFFFD);
}
}
-
address &=0xFFFFFF;
+ /*if (address & 0x01) {
+ return ((read8(address) << 8) | read8(address + 1));
+ }*/
return (unsigned int)read16((uint32_t)address);
}
PLATFORM_CHECK_READ(OP_TYPE_LONGWORD);
address &=0xFFFFFF;
+ /*if (address & 0x01) {
+ uint32_t c = be32toh(read32(address));
+ c = (c >> 8) | (read8(address + 3) << 24);
+ return htobe32(c);
+ }*/
uint16_t a = read16(address);
uint16_t b = read16(address + 2);
return (a << 16) | b;
if (address >= cfg->custom_low && address < cfg->custom_high) { \
switch(cfg->platform->id) { \
case PLATFORM_AMIGA: { \
- if (address >= PIGFX_RTG_BASE && address < PIGFX_RTG_BASE + PIGFX_RTG_SIZE) { \
+ if (address >= PIGFX_RTG_BASE && address < PIGFX_UPPER) { \
rtg_write((address & 0x0FFFFFFF), value, a); \
return; \
} \
projects / pistorm / blobdiff