9 extern uint32 nes_registers[0x10];
10 extern uint32 pc_base;
14 static void leave(void)
16 printf("A: %02x, X: %02x, Y: %02x, S: %02x\n", X.A, X.X, X.Y, X.S);
17 printf("PC = %04lx, OP=%02X\n", PC_prev, (PC_prev < 0x2000) ? RAM[PC_prev&0x7ff] : ARead[PC_prev](PC_prev));
21 static void compare_state(void)
25 if ((nes_registers[0] >> 24) != X.A) {
26 printf("A: %02lx vs %02x\n", nes_registers[0] >> 24, X.A);
30 if ((nes_registers[1] & 0xff) != X.X) {
31 printf("X: %02lx vs %02x\n", nes_registers[1] & 0xff, X.X);
35 if ((nes_registers[2] & 0xff) != X.Y) {
36 printf("Y: %02lx vs %02x\n", nes_registers[2] & 0xff, X.Y);
40 if (nes_registers[3] - pc_base != X.PC) {
41 printf("PC: %04lx vs %04x\n", nes_registers[3] - pc_base, X.PC);
45 if ((nes_registers[4] >> 24) != X.S) {
46 printf("S: %02lx vs %02x\n", nes_registers[4] >> 24, X.S);
50 if (((nes_registers[4]>>8)&0xff) != X.IRQlow) {
51 printf("IRQlow: %02lx vs %02x\n", ((nes_registers[4]>>8)&0xff), X.IRQlow);
56 nes_flags = nes_registers[4] & 0x5d;
57 if ( nes_registers[5]&0x80000000) nes_flags |= 0x80; // N
58 if (!(nes_registers[5]&0x000000ff)) nes_flags |= 0x02; // Z
59 // nes_flags |= 0x20; // U, not set in C core (set only when pushing)
61 if (nes_flags != X.P) {
62 printf("flags: %02x vs %02x\n", nes_flags, X.P);
66 if ((int32)nes_registers[7] != X.count) {
67 printf("cycles: %li vs %li\n", (int32)nes_registers[7], X.count);
73 void TriggerIRQ_d(void)
81 void TriggerNMI_d(void)
89 void TriggerNMINSF_d(void)
93 void X6502_Run_d(int32 c)
95 int32 cycles = c << 4; /* *16 */ \
96 if (PAL) cycles -= c; /* *15 */ \
98 printf("-- run(%i)\n", (int)c);
108 cycles -= 1 - X.count;
112 void X6502_Reset_d(void)
114 printf("-- reset\n");
121 void X6502_Power_d(void)
123 printf("-- power\n");
130 void X6502_AddCycles_d(int x)
132 printf("-- AddCycles(%i)\n", x);
134 X6502_AddCycles_c(x);
135 X6502_AddCycles_a(x);
139 void X6502_IRQBegin_d(int w)
141 printf("-- IRQBegin(%02x)\n", w);
147 void X6502_IRQEnd_d(int w)
149 printf("-- IRQEnd(%02x)\n", w);