Gradius fixed

[fceu.git] / ncpu_debug.c

diff --git a/ncpu_debug.c b/ncpu_debug.c
index 8546bc2..aed7afb 100644 (file)
--- a/ncpu_debug.c
+++ b/ncpu_debug.c
@@ -12,16 +12,18 @@ extern uint8  nes_internal_ram[0x800];
 uint32 PC_prev = 0xcccccc, OP_prev = 0xcccccc;
 int32  g_cnt = 0;
 
-static int pending_add_cycles = 0, pending_rebase = 0;
+static int pending_add_cycles = 0, pending_rebase = 0, pending_irq = 0;
 
 uint8  dreads[4];
 uint32 dwrites_c[2], dwrites_a[2];
 int dread_count_c, dread_count_a, dwrite_count_c, dwrite_count_a;
+int mapirq_cyc_c, mapirq_cyc_a;
 
 static void leave(void)
 {
        printf("\nA: %02x, X: %02x, Y: %02x, S: %02x\n", X.A, X.X, X.Y, X.S);
        printf("PC = %04lx, OP=%02lX\n", PC_prev, OP_prev);
+       printf("rest = %08lx\n", nes_registers[4]);
        exit(1);
 }
 
@@ -92,6 +94,11 @@ static void compare_state(void)
                        fail = 1;
                }
 
+       if (mapirq_cyc_a != mapirq_cyc_c) {
+               printf("mapirq_cyc: %i vs %i\n", mapirq_cyc_a, mapirq_cyc_c);
+               fail = 1;
+       }
+
        if (fail) leave();
 }
 
@@ -117,9 +124,7 @@ static void compare_ram(void)
 void TriggerIRQ_d(void)
 {
        printf("-- irq\n");
-       TriggerIRQ_c();
-       TriggerIRQ_a();
-       compare_state();
+       pending_irq |= 0x100;
 }
 
 void TriggerNMI_d(void)
@@ -147,10 +152,25 @@ void X6502_Run_d(int32 c)
 
        while (g_cnt > 0)
        {
+               if (pending_irq) {
+                       if (pending_irq & 0x100) {
+                               TriggerIRQ_c();
+                               TriggerIRQ_a();
+                       }
+                       if (pending_irq & 0xff) {
+                               TriggerIRQ_c();
+                               TriggerIRQ_a();
+                               X6502_IRQBegin_c(pending_irq & 0xff);
+                               X6502_IRQBegin_a(pending_irq & 0xff);
+                       }
+                       pending_irq = 0;
+               }
+
                nes_registers[7]=1;
                X.count=1;
 
                dread_count_c = dread_count_a = dwrite_count_c = dwrite_count_a = 0;
+               mapirq_cyc_a = mapirq_cyc_c = 0;
                X6502_Run_c();
 
                X6502_Run_a();
@@ -158,8 +178,6 @@ void X6502_Run_d(int32 c)
                compare_state();
                g_cnt -= 1 - X.count;
                if (pending_add_cycles) {
-                       //X6502_AddCycles_c(pending_add_cycles);
-                       //X6502_AddCycles_a(pending_add_cycles);
                        g_cnt -= pending_add_cycles*48;
                        pending_add_cycles = 0;
                }
@@ -186,6 +204,7 @@ void X6502_Power_d(void)
        printf("-- power\n");
        if (nes_internal_ram == RAM) printf("nes_internal_ram == RAM!!\n");
        dread_count_c = dread_count_a = dwrite_count_c = dwrite_count_a = 0;
+       mapirq_cyc_c = mapirq_cyc_a = 0;
 
        X6502_Power_c();
        X6502_Power_a();
@@ -208,8 +227,9 @@ void X6502_IRQBegin_d(int w)
 {
        printf("-- IRQBegin(%02x)\n", w);
 
-       X6502_IRQBegin_c(w);
-       X6502_IRQBegin_a(w);
+       // X6502_IRQBegin_c(w);
+       // X6502_IRQBegin_a(w);
+       pending_irq |= w;
 }
 
 void X6502_IRQEnd_d(int w)