9 extern uint32 nes_registers[0x10];
10 extern uint32 pc_base;
11 uint32 PC_prev = 0, g_cnt = 0;
16 static void leave(void)
18 printf("\nA: %02x, X: %02x, Y: %02x, S: %02x\n", X.A, X.X, X.Y, X.S);
19 printf("PC = %04lx, OP=%02X\n", PC_prev, (PC_prev < 0x2000) ? RAM[PC_prev&0x7ff] : ARead[PC_prev](PC_prev));
23 static void compare_state(void)
28 if ((nes_registers[0] >> 24) != X.A) {
29 printf("A: %02lx vs %02x\n", nes_registers[0] >> 24, X.A);
33 if ((nes_registers[1] & 0xff) != X.X) {
34 printf("X: %02lx vs %02x\n", nes_registers[1] & 0xff, X.X);
38 if ((nes_registers[2] & 0xff) != X.Y) {
39 printf("Y: %02lx vs %02x\n", nes_registers[2] & 0xff, X.Y);
43 if (nes_registers[3] - pc_base != X.PC) {
44 printf("PC: %04lx vs %04x\n", nes_registers[3] - pc_base, X.PC);
48 if ((nes_registers[4] >> 24) != X.S) {
49 printf("S: %02lx vs %02x\n", nes_registers[4] >> 24, X.S);
53 if (((nes_registers[4]>>8)&0xff) != X.IRQlow) {
54 printf("IRQlow: %02lx vs %02x\n", ((nes_registers[4]>>8)&0xff), X.IRQlow);
59 nes_flags = nes_registers[4] & 0x5d;
60 if ( nes_registers[5]&0x80000000) nes_flags |= 0x80; // N
61 if (!(nes_registers[5]&0x000000ff)) nes_flags |= 0x02; // Z
62 // nes_flags |= 0x20; // U, not set in C core (set only when pushing)
64 if (nes_flags != (X.P&~0x20)) {
65 printf("flags: %02x vs %02x\n", nes_flags, (X.P&~0x20));
69 if ((int32)nes_registers[7] != X.count) {
70 printf("cycles: %li vs %li\n", (int32)nes_registers[7], X.count);
78 void TriggerIRQ_d(void)
86 void TriggerNMI_d(void)
94 void TriggerNMINSF_d(void)
98 void X6502_Run_d(int32 c)
100 int32 cycles = c << 4; /* *16 */ \
101 if (PAL) cycles -= c; /* *15 */ \
103 //printf("-- %06i: run(%i)\n", (int)g_cnt, (int)c);
119 cycles -= 1 - X.count;
122 //printf("-- run_end\n");
125 void X6502_Reset_d(void)
127 printf("-- reset\n");
134 void X6502_Power_d(void)
136 printf("-- power\n");
143 void X6502_AddCycles_d(int x)
145 printf("-- AddCycles(%i|%i)\n", x, x*48);
147 printf("can't use this in debug\n");
149 //X6502_AddCycles_c(x);
150 //X6502_AddCycles_a(x);
154 void X6502_IRQBegin_d(int w)
156 printf("-- IRQBegin(%02x)\n", w);
162 void X6502_IRQEnd_d(int w)
164 printf("-- IRQEnd(%02x)\n", w);