ultimecia

A ps1 emulator in c
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irq.h (462B)

      1 #pragma once
      2 
      3 #include <stdio.h>
      4 #include "types.h"
      5 
      6 typedef struct irq {
      7 	u32 status;
      8 	u32 mask;
      9 } irq;
     10 
     11 enum {
     12  IRQ_VBLANK = 0,
     13  IRQ_GPU = 1,
     14  IRQ_CD = 2,
     15  IRQ_DMA = 3,
     16  IRQ_TIMER_0 = 4,
     17  IRQ_TIMER_1 = 5,
     18  IRQ_TIMER_2 = 6,
     19  IRQ_SIO = 7,
     20  IRQ_SPU = 9,
     21  IRQ_PIO = 10
     22 };
     23 
     24 enum
     25 {
     26  IRQ_STATUS_REG = 0,
     27  IRQ_MASK_REG = 1
     28 };
     29 
     30 void irq_write(irq*, u32, u32);
     31 u32  irq_load(irq*, u32);
     32 void irq_set_reg(irq*, u32, u32);
     33 u32  irq_get_reg(irq*, u32);
     34 irq  irq_new(void);