X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=ncpu_debug.c;h=ebb32fa2cd44e9869ab5181b16df4e1a6d01239f;hp=864cae3961da930ccccbb893943a778c1e51ac52;hb=92e249b10ad9e479eddb18974555366dba725ef3;hpb=af32b6c2f0ed2f1a4582c3e8d7ac704b9c61fa4c diff --git a/ncpu_debug.c b/ncpu_debug.c index 864cae3..ebb32fa 100644 --- a/ncpu_debug.c +++ b/ncpu_debug.c @@ -8,12 +8,14 @@ // asm core state extern uint32 nes_registers[0x10]; extern uint32 pc_base; -uint32 PC_prev = 0; +uint32 PC_prev = 0, g_cnt = 0; +int cpu_repeat; +int cpu_lastval; static void leave(void) { - printf("A: %02x, X: %02x, Y: %02x, S: %02x\n", X.A, X.X, X.Y, X.S); + printf("\nA: %02x, X: %02x, Y: %02x, S: %02x\n", X.A, X.X, X.Y, X.S); printf("PC = %04lx, OP=%02X\n", PC_prev, (PC_prev < 0x2000) ? RAM[PC_prev&0x7ff] : ARead[PC_prev](PC_prev)); exit(1); } @@ -21,35 +23,36 @@ static void leave(void) static void compare_state(void) { uint8 nes_flags; + int fail = 0; if ((nes_registers[0] >> 24) != X.A) { printf("A: %02lx vs %02x\n", nes_registers[0] >> 24, X.A); - leave(); + fail = 1; } if ((nes_registers[1] & 0xff) != X.X) { printf("X: %02lx vs %02x\n", nes_registers[1] & 0xff, X.X); - leave(); + fail = 1; } if ((nes_registers[2] & 0xff) != X.Y) { printf("Y: %02lx vs %02x\n", nes_registers[2] & 0xff, X.Y); - leave(); + fail = 1; } if (nes_registers[3] - pc_base != X.PC) { printf("PC: %04lx vs %04x\n", nes_registers[3] - pc_base, X.PC); - leave(); + fail = 1; } if ((nes_registers[4] >> 24) != X.S) { printf("S: %02lx vs %02x\n", nes_registers[4] >> 24, X.S); - leave(); + fail = 1; } if (((nes_registers[4]>>8)&0xff) != X.IRQlow) { printf("IRQlow: %02lx vs %02x\n", ((nes_registers[4]>>8)&0xff), X.IRQlow); - leave(); + fail = 1; } // NVUB DIZC @@ -58,15 +61,17 @@ static void compare_state(void) if (!(nes_registers[5]&0x000000ff)) nes_flags |= 0x02; // Z // nes_flags |= 0x20; // U, not set in C core (set only when pushing) - if (nes_flags != X.P) { - printf("flags: %02x vs %02x\n", nes_flags, X.P); - leave(); + if (nes_flags != (X.P&~0x20)) { + printf("flags: %02x vs %02x\n", nes_flags, (X.P&~0x20)); + fail = 1; } if ((int32)nes_registers[7] != X.count) { printf("cycles: %li vs %li\n", (int32)nes_registers[7], X.count); - leave(); + fail = 1; } + + if (fail) leave(); } @@ -95,18 +100,26 @@ void X6502_Run_d(int32 c) int32 cycles = c << 4; /* *16 */ \ if (PAL) cycles -= c; /* *15 */ \ - printf("-- run(%i)\n", (int)c); + //printf("-- %06i: run(%i)\n", (int)g_cnt, (int)c); + g_cnt += c; while (cycles > 0) { PC_prev = X.PC; nes_registers[7]=1; X.count=1; + + cpu_repeat = 0; X6502_Run_c(); + + cpu_repeat = 1; X6502_Run_a(); + compare_state(); cycles -= 1 - X.count; } + + //printf("-- run_end\n"); } void X6502_Reset_d(void) @@ -129,10 +142,12 @@ void X6502_Power_d(void) void X6502_AddCycles_d(int x) { - printf("-- AddCycles(%i)\n", x); + printf("-- AddCycles(%i|%i)\n", x, x*48); - X6502_AddCycles_c(x); - X6502_AddCycles_a(x); + printf("can't use this in debug\n"); + exit(1); + //X6502_AddCycles_c(x); + //X6502_AddCycles_a(x); //compare_state(); }