mirror of
https://github.com/captain-amygdala/pistorm.git
synced 2026-01-28 12:39:10 +00:00
use goto to avoid condition check in loop
This commit is contained in:
just nine
275
emulator.c
275
emulator.c
@@ -157,156 +157,157 @@ void *ipl_task(void *args) {
|
||||
|
||||
void *cpu_task() {
|
||||
m68k_pulse_reset();
|
||||
while (42) {
|
||||
if (mouse_hook_enabled) {
|
||||
get_mouse_status(&mouse_dx, &mouse_dy, &mouse_buttons, &mouse_extra);
|
||||
}
|
||||
|
||||
if (realtime_disassembly && (do_disasm || cpu_emulation_running)) {
|
||||
m68k_disassemble(disasm_buf, m68k_get_reg(NULL, M68K_REG_PC), cpu_type);
|
||||
printf("REGA: 0:$%.8X 1:$%.8X 2:$%.8X 3:$%.8X 4:$%.8X 5:$%.8X 6:$%.8X 7:$%.8X\n", m68k_get_reg(NULL, M68K_REG_A0), m68k_get_reg(NULL, M68K_REG_A1), m68k_get_reg(NULL, M68K_REG_A2), m68k_get_reg(NULL, M68K_REG_A3), \
|
||||
m68k_get_reg(NULL, M68K_REG_A4), m68k_get_reg(NULL, M68K_REG_A5), m68k_get_reg(NULL, M68K_REG_A6), m68k_get_reg(NULL, M68K_REG_A7));
|
||||
printf("REGD: 0:$%.8X 1:$%.8X 2:$%.8X 3:$%.8X 4:$%.8X 5:$%.8X 6:$%.8X 7:$%.8X\n", m68k_get_reg(NULL, M68K_REG_D0), m68k_get_reg(NULL, M68K_REG_D1), m68k_get_reg(NULL, M68K_REG_D2), m68k_get_reg(NULL, M68K_REG_D3), \
|
||||
m68k_get_reg(NULL, M68K_REG_D4), m68k_get_reg(NULL, M68K_REG_D5), m68k_get_reg(NULL, M68K_REG_D6), m68k_get_reg(NULL, M68K_REG_D7));
|
||||
printf("%.8X (%.8X)]] %s\n", m68k_get_reg(NULL, M68K_REG_PC), (m68k_get_reg(NULL, M68K_REG_PC) & 0xFFFFFF), disasm_buf);
|
||||
if (do_disasm)
|
||||
do_disasm--;
|
||||
m68k_execute(1);
|
||||
}
|
||||
else {
|
||||
if (cpu_emulation_running)
|
||||
m68k_execute(loop_cycles);
|
||||
}
|
||||
cpu_loop:
|
||||
if (mouse_hook_enabled) {
|
||||
get_mouse_status(&mouse_dx, &mouse_dy, &mouse_buttons, &mouse_extra);
|
||||
}
|
||||
|
||||
if (irq) {
|
||||
while (irq) {
|
||||
last_irq = ((read_reg() & 0xe000) >> 13);
|
||||
if (last_irq != last_last_irq) {
|
||||
last_last_irq = last_irq;
|
||||
M68K_SET_IRQ(last_irq);
|
||||
}
|
||||
m68k_execute(5);
|
||||
}
|
||||
if (gayleirq && int2_enabled) {
|
||||
write16(0xdff09c, 0x8000 | (1 << 3) && last_irq != 2);
|
||||
if (realtime_disassembly && (do_disasm || cpu_emulation_running)) {
|
||||
m68k_disassemble(disasm_buf, m68k_get_reg(NULL, M68K_REG_PC), cpu_type);
|
||||
printf("REGA: 0:$%.8X 1:$%.8X 2:$%.8X 3:$%.8X 4:$%.8X 5:$%.8X 6:$%.8X 7:$%.8X\n", m68k_get_reg(NULL, M68K_REG_A0), m68k_get_reg(NULL, M68K_REG_A1), m68k_get_reg(NULL, M68K_REG_A2), m68k_get_reg(NULL, M68K_REG_A3), \
|
||||
m68k_get_reg(NULL, M68K_REG_A4), m68k_get_reg(NULL, M68K_REG_A5), m68k_get_reg(NULL, M68K_REG_A6), m68k_get_reg(NULL, M68K_REG_A7));
|
||||
printf("REGD: 0:$%.8X 1:$%.8X 2:$%.8X 3:$%.8X 4:$%.8X 5:$%.8X 6:$%.8X 7:$%.8X\n", m68k_get_reg(NULL, M68K_REG_D0), m68k_get_reg(NULL, M68K_REG_D1), m68k_get_reg(NULL, M68K_REG_D2), m68k_get_reg(NULL, M68K_REG_D3), \
|
||||
m68k_get_reg(NULL, M68K_REG_D4), m68k_get_reg(NULL, M68K_REG_D5), m68k_get_reg(NULL, M68K_REG_D6), m68k_get_reg(NULL, M68K_REG_D7));
|
||||
printf("%.8X (%.8X)]] %s\n", m68k_get_reg(NULL, M68K_REG_PC), (m68k_get_reg(NULL, M68K_REG_PC) & 0xFFFFFF), disasm_buf);
|
||||
if (do_disasm)
|
||||
do_disasm--;
|
||||
m68k_execute(1);
|
||||
}
|
||||
else {
|
||||
if (cpu_emulation_running)
|
||||
m68k_execute(loop_cycles);
|
||||
}
|
||||
|
||||
if (irq) {
|
||||
while (irq) {
|
||||
last_irq = ((read_reg() & 0xe000) >> 13);
|
||||
if (last_irq != last_last_irq) {
|
||||
last_last_irq = last_irq;
|
||||
last_irq = 2;
|
||||
M68K_SET_IRQ(2);
|
||||
M68K_SET_IRQ(last_irq);
|
||||
}
|
||||
m68k_execute(5);
|
||||
}
|
||||
if (gayleirq && int2_enabled) {
|
||||
write16(0xdff09c, 0x8000 | (1 << 3) && last_irq != 2);
|
||||
last_last_irq = last_irq;
|
||||
last_irq = 2;
|
||||
M68K_SET_IRQ(2);
|
||||
}
|
||||
M68K_SET_IRQ(0);
|
||||
last_last_irq = 0;
|
||||
}
|
||||
/*else {
|
||||
if (last_irq != 0) {
|
||||
M68K_SET_IRQ(0);
|
||||
last_last_irq = 0;
|
||||
last_last_irq = last_irq;
|
||||
last_irq = 0;
|
||||
}
|
||||
/*else {
|
||||
if (last_irq != 0) {
|
||||
M68K_SET_IRQ(0);
|
||||
last_last_irq = last_irq;
|
||||
last_irq = 0;
|
||||
}
|
||||
}*/
|
||||
}*/
|
||||
|
||||
while (get_key_char(&c, &c_code, &c_type)) {
|
||||
if (c && c == cfg->keyboard_toggle_key && !kb_hook_enabled) {
|
||||
kb_hook_enabled = 1;
|
||||
printf("Keyboard hook enabled.\n");
|
||||
while (get_key_char(&c, &c_code, &c_type)) {
|
||||
if (c && c == cfg->keyboard_toggle_key && !kb_hook_enabled) {
|
||||
kb_hook_enabled = 1;
|
||||
printf("Keyboard hook enabled.\n");
|
||||
}
|
||||
else if (kb_hook_enabled) {
|
||||
if (c == 0x1B && c_type) {
|
||||
kb_hook_enabled = 0;
|
||||
printf("Keyboard hook disabled.\n");
|
||||
}
|
||||
else if (kb_hook_enabled) {
|
||||
if (c == 0x1B && c_type) {
|
||||
kb_hook_enabled = 0;
|
||||
printf("Keyboard hook disabled.\n");
|
||||
}
|
||||
else {
|
||||
/*printf("Key code: %.2X - ", c_code);
|
||||
switch (c_type) {
|
||||
case 0:
|
||||
printf("released.\n");
|
||||
break;
|
||||
case 1:
|
||||
printf("pressed.\n");
|
||||
break;
|
||||
case 2:
|
||||
printf("repeat.\n");
|
||||
break;
|
||||
default:
|
||||
printf("unknown.\n");
|
||||
break;
|
||||
}*/
|
||||
if (queue_keypress(c_code, c_type, cfg->platform->id) && int2_enabled && last_irq != 2) {
|
||||
//last_irq = 0;
|
||||
//M68K_SET_IRQ(2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// pause pressed; trigger nmi (int level 7)
|
||||
if (c == 0x01 && c_type) {
|
||||
printf("[INT] Sending NMI\n");
|
||||
M68K_SET_IRQ(7);
|
||||
}
|
||||
|
||||
if (!kb_hook_enabled && c_type) {
|
||||
if (c && c == cfg->mouse_toggle_key) {
|
||||
mouse_hook_enabled ^= 1;
|
||||
printf("Mouse hook %s.\n", mouse_hook_enabled ? "enabled" : "disabled");
|
||||
mouse_dx = mouse_dy = mouse_buttons = mouse_extra = 0;
|
||||
}
|
||||
if (c == 'r') {
|
||||
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("CPU emulation reset.\n");
|
||||
}
|
||||
if (c == 'q') {
|
||||
printf("Quitting and exiting emulator.\n");
|
||||
goto stop_cpu_emulation;
|
||||
}
|
||||
if (c == 'd') {
|
||||
realtime_disassembly ^= 1;
|
||||
do_disasm = 1;
|
||||
printf("Real time disassembly is now %s\n", realtime_disassembly ? "on" : "off");
|
||||
}
|
||||
if (c == 'D') {
|
||||
int r = get_mapped_item_by_address(cfg, 0x08000000);
|
||||
if (r != -1) {
|
||||
printf("Dumping first 16MB of mapped range %d.\n", r);
|
||||
FILE *dmp = fopen("./memdmp.bin", "wb+");
|
||||
fwrite(cfg->map_data[r], 16 * SIZE_MEGA, 1, dmp);
|
||||
fclose(dmp);
|
||||
}
|
||||
}
|
||||
if (c == 's' && realtime_disassembly) {
|
||||
do_disasm = 1;
|
||||
}
|
||||
if (c == 'S' && realtime_disassembly) {
|
||||
do_disasm = 128;
|
||||
else {
|
||||
/*printf("Key code: %.2X - ", c_code);
|
||||
switch (c_type) {
|
||||
case 0:
|
||||
printf("released.\n");
|
||||
break;
|
||||
case 1:
|
||||
printf("pressed.\n");
|
||||
break;
|
||||
case 2:
|
||||
printf("repeat.\n");
|
||||
break;
|
||||
default:
|
||||
printf("unknown.\n");
|
||||
break;
|
||||
}*/
|
||||
if (queue_keypress(c_code, c_type, cfg->platform->id) && int2_enabled && last_irq != 2) {
|
||||
//last_irq = 0;
|
||||
//M68K_SET_IRQ(2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (mouse_hook_enabled && (mouse_extra != 0x00)) {
|
||||
// mouse wheel events have occurred; unlike l/m/r buttons, these are queued as keypresses, so add to end of buffer
|
||||
switch (mouse_extra) {
|
||||
case 0xff:
|
||||
// wheel up
|
||||
queue_keypress(0xfe, KEYPRESS_PRESS, PLATFORM_AMIGA);
|
||||
break;
|
||||
case 0x01:
|
||||
// wheel down
|
||||
queue_keypress(0xff, KEYPRESS_PRESS, PLATFORM_AMIGA);
|
||||
break;
|
||||
}
|
||||
// pause pressed; trigger nmi (int level 7)
|
||||
if (c == 0x01 && c_type) {
|
||||
printf("[INT] Sending NMI\n");
|
||||
M68K_SET_IRQ(7);
|
||||
}
|
||||
|
||||
// dampen the scroll wheel until next while loop iteration
|
||||
mouse_extra = 0x00;
|
||||
if (!kb_hook_enabled && c_type) {
|
||||
if (c && c == cfg->mouse_toggle_key) {
|
||||
mouse_hook_enabled ^= 1;
|
||||
printf("Mouse hook %s.\n", mouse_hook_enabled ? "enabled" : "disabled");
|
||||
mouse_dx = mouse_dy = mouse_buttons = mouse_extra = 0;
|
||||
}
|
||||
if (c == 'r') {
|
||||
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("CPU emulation reset.\n");
|
||||
}
|
||||
if (c == 'q') {
|
||||
printf("Quitting and exiting emulator.\n");
|
||||
goto stop_cpu_emulation;
|
||||
}
|
||||
if (c == 'd') {
|
||||
realtime_disassembly ^= 1;
|
||||
do_disasm = 1;
|
||||
printf("Real time disassembly is now %s\n", realtime_disassembly ? "on" : "off");
|
||||
}
|
||||
if (c == 'D') {
|
||||
int r = get_mapped_item_by_address(cfg, 0x08000000);
|
||||
if (r != -1) {
|
||||
printf("Dumping first 16MB of mapped range %d.\n", r);
|
||||
FILE *dmp = fopen("./memdmp.bin", "wb+");
|
||||
fwrite(cfg->map_data[r], 16 * SIZE_MEGA, 1, dmp);
|
||||
fclose(dmp);
|
||||
}
|
||||
}
|
||||
if (c == 's' && realtime_disassembly) {
|
||||
do_disasm = 1;
|
||||
}
|
||||
if (c == 'S' && realtime_disassembly) {
|
||||
do_disasm = 128;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (mouse_hook_enabled && (mouse_extra != 0x00)) {
|
||||
// mouse wheel events have occurred; unlike l/m/r buttons, these are queued as keypresses, so add to end of buffer
|
||||
switch (mouse_extra) {
|
||||
case 0xff:
|
||||
// wheel up
|
||||
queue_keypress(0xfe, KEYPRESS_PRESS, PLATFORM_AMIGA);
|
||||
break;
|
||||
case 0x01:
|
||||
// wheel down
|
||||
queue_keypress(0xff, KEYPRESS_PRESS, PLATFORM_AMIGA);
|
||||
break;
|
||||
}
|
||||
|
||||
// dampen the scroll wheel until next while loop iteration
|
||||
mouse_extra = 0x00;
|
||||
}
|
||||
goto cpu_loop;
|
||||
|
||||
stop_cpu_emulation:
|
||||
printf("[CPU] End of CPU thread\n");
|
||||
}
|
||||
@@ -493,16 +494,16 @@ int main(int argc, char *argv[]) {
|
||||
else {
|
||||
pthread_setname_np(ipl_tid, "pistorm: ipl");
|
||||
printf("IPL thread created successfully\n");
|
||||
}
|
||||
}
|
||||
|
||||
// create cpu task
|
||||
err = pthread_create(&cpu_tid, NULL, &cpu_task, NULL);
|
||||
if (err != 0)
|
||||
printf("[ERROR] Cannot create CPU thread: [%s]", strerror(err));
|
||||
else {
|
||||
else {
|
||||
pthread_setname_np(cpu_tid, "pistorm: cpu");
|
||||
printf("CPU thread created successfully\n");
|
||||
}
|
||||
}
|
||||
|
||||
// wait for cpu task to end before closing up and finishing
|
||||
pthread_join(cpu_tid, NULL);
|
||||
|
||||
Reference in New Issue
Block a user