extern volatile uint16_t srdata;
extern uint8_t realtime_graphics_debug;
uint8_t realtime_disassembly, int2_enabled = 0;
-uint32_t do_disasm = 0;
+uint32_t do_disasm = 0, old_level;
char disasm_buf[4096];
int irq;
int gayleirq;
+//#define MUSASHI_HAX
+
+#ifdef MUSASHI_HAX
+#include "m68kcpu.h"
+extern m68ki_cpu_core m68ki_cpu;
+extern int m68ki_initial_cycles;
+extern int m68ki_remaining_cycles;
+
+#define M68K_SET_IRQ(i) old_level = CPU_INT_LEVEL; \
+ CPU_INT_LEVEL = (i << 8); \
+ if(old_level != 0x0700 && CPU_INT_LEVEL == 0x0700) \
+ m68ki_cpu.nmi_pending = TRUE;
+#define M68K_END_TIMESLICE m68ki_initial_cycles = GET_CYCLES(); \
+ SET_CYCLES(0);
+#else
+#define M68K_SET_IRQ m68k_set_irq
+#define M68K_END_TIMESLICE m68k_end_timeslice()
+#endif
+
#define NOP asm("nop"); asm("nop"); asm("nop"); asm("nop");
// Configurable emulator options
unsigned int cpu_type = M68K_CPU_TYPE_68000;
-unsigned int loop_cycles = 300;
+unsigned int loop_cycles = 300, irq_status = 0;
struct emulator_config *cfg = NULL;
char keyboard_file[256] = "/dev/input/event1";
+uint64_t trig_irq = 0, serv_irq = 0;
+
void *iplThread(void *args) {
printf("IPL thread running\n");
while (1) {
if (!gpio_get_irq()) {
irq = 1;
- m68k_end_timeslice();
+ M68K_END_TIMESLICE;
}
else {
irq = 0;
if (((gayle_int & 0x80) || gayle_a4k_int) && (get_ide(0)->drive[0].intrq || get_ide(0)->drive[1].intrq)) {
//get_ide(0)->drive[0].intrq = 0;
gayleirq = 1;
- m68k_end_timeslice();
+ M68K_END_TIMESLICE;
}
else
gayleirq = 0;
}
void stop_cpu_emulation(uint8_t disasm_cur) {
- m68k_end_timeslice();
+ M68K_END_TIMESLICE;
if (disasm_cur) {
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), \
cfg->platform->shutdown(cfg);
}
+ printf("IRQs triggered: %lld\n", trig_irq);
+ printf("IRQs serviced: %lld\n", serv_irq);
+
exit(0);
}
cpu_pulse_reset();
char c = 0, c_code = 0, c_type = 0;
+ uint32_t last_irq = 0;
pthread_t id;
int err;
if (irq) {
unsigned int status = read_reg();
- m68k_set_irq((status & 0xe000) >> 13);
- //irq = 0;
+ if (((status & 0xe000) >> 13) != last_irq) {
+ last_irq = ((status & 0xe000) >> 13);
+ serv_irq++;
+ M68K_SET_IRQ(last_irq);
+ }
}
else if (gayleirq && int2_enabled) {
write16(0xdff09c, 0x8000 | (1 << 3));
- m68k_set_irq(2);
- //irq = 0;
+ last_irq = 2;
+ M68K_SET_IRQ(2);
}
else {
- m68k_set_irq(0);
+ if (last_irq != 0) {
+ last_irq = 0;
+ M68K_SET_IRQ(0);
+ }
}
while (get_key_char(&c, &c_code, &c_type)) {
break;
}*/
if (queue_keypress(c_code, c_type, cfg->platform->id) && int2_enabled) {
- m68k_set_irq(2);
+ last_irq = 2;
+ M68K_SET_IRQ(2);
}
}
}
printf("BYTE read from DMAC @%.8X:", address);
uint32_t v = cdtv_dmac_read(address & 0xFFFF, OP_TYPE_BYTE);
printf("%.2X\n", v);
- m68k_end_timeslice();
+ M68K_END_TIMESLICE;
cpu_emulation_running = 0;
return v;
}*/
printf("WORD read from DMAC @%.8X:", address);
uint32_t v = cdtv_dmac_read(address & 0xFFFF, OP_TYPE_WORD);
printf("%.2X\n", v);
- m68k_end_timeslice();
+ M68K_END_TIMESLICE;
cpu_emulation_running = 0;
return v;
}*/
printf("LONGWORD read from DMAC @%.8X:", address);
uint32_t v = cdtv_dmac_read(address & 0xFFFF, OP_TYPE_LONGWORD);
printf("%.2X\n", v);
- m68k_end_timeslice();
+ M68K_END_TIMESLICE;
cpu_emulation_running = 0;
return v;
}*/
/*if (address >= 0xE90000 && address < 0xF00000) {
printf("BYTE write to DMAC @%.8X: %.2X\n", address, value);
cdtv_dmac_write(address & 0xFFFF, value, OP_TYPE_BYTE);
- m68k_end_timeslice();
+ M68K_END_TIMESLICE;
cpu_emulation_running = 0;
return;
}*/
/*if (address >= 0xE90000 && address < 0xF00000) {
printf("WORD write to DMAC @%.8X: %.4X\n", address, value);
cdtv_dmac_write(address & 0xFFFF, value, OP_TYPE_WORD);
- m68k_end_timeslice();
+ M68K_END_TIMESLICE;
cpu_emulation_running = 0;
return;
}*/
/*if (address >= 0xE90000 && address < 0xF00000) {
printf("LONGWORD write to DMAC @%.8X: %.8X\n", address, value);
cdtv_dmac_write(address & 0xFFFF, value, OP_TYPE_LONGWORD);
- m68k_end_timeslice();
+ M68K_END_TIMESLICE;
cpu_emulation_running = 0;
return;
}*/