Moved from ./src

[virtualjaguar] / src / gpu.h

diff --git a/src/gpu.h b/src/gpu.h
new file mode 100644 (file)
index 0000000..1b83d74
--- /dev/null
+++ b/src/gpu.h
@@ -0,0 +1,37 @@
+//
+// GPU.H: Header file
+//
+
+#ifndef __GPU_H__
+#define __GPU_H__
+
+#include "jaguar.h"
+
+#define GPU_CONTROL_RAM_BASE    0x00F02100
+#define GPU_WORK_RAM_BASE              0x00F03000
+
+void gpu_init(void);
+void gpu_reset(void);
+void gpu_exec(int32);
+void gpu_done(void);
+void gpu_update_register_banks(void);
+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);
+
+// GPU interrupt numbers (from $F00100, bits 4-8)
+
+enum { GPUIRQ_CPU = 0, GPUIRQ_DSP, GPUIRQ_TIMER, GPUIRQ_OBJECT, GPUIRQ_BLITTER };
+
+#endif // __GPU_H__