void gpu_exec(int32);
void gpu_done(void);
void gpu_update_register_banks(void);
-void gpu_check_irqs(void);
-void gpu_set_irq_line(int irqline, int state);
-unsigned gpu_byte_read(unsigned int offset);
-unsigned gpu_word_read(unsigned int offset);
-unsigned gpu_long_read(unsigned int offset);
-void gpu_byte_write(unsigned offset, unsigned data);
-void gpu_word_write(unsigned offset, unsigned data);
-void gpu_long_write(unsigned offset, unsigned data);
+void GPUHandleIRQs(void);
+void GPUSetIRQLine(int irqline, int state);
+
+uint8 GPUReadByte(uint32 offset, uint32 who = UNKNOWN);
+uint16 GPUReadWord(uint32 offset, uint32 who = UNKNOWN);
+uint32 GPUReadLong(uint32 offset, uint32 who = UNKNOWN);
+void GPUWriteByte(uint32 offset, uint8 data, uint32 who = UNKNOWN);
+void GPUWriteWord(uint32 offset, uint16 data, uint32 who = UNKNOWN);
+void GPUWriteLong(uint32 offset, uint32 data, uint32 who = UNKNOWN);
+
uint32 gpu_get_pc(void);
void gpu_releaseTimeslice(void);
void gpu_reset_stats(void);
uint32 gpu_read_pc(void);
-#endif // #ifndef __GPU_H__
+// GPU interrupt numbers (from $F00100, bits 4-8)
+
+enum { GPUIRQ_CPU = 0, GPUIRQ_DSP, GPUIRQ_TIMER, GPUIRQ_OBJECT, GPUIRQ_BLITTER };
+
+#endif // __GPU_H__