Added/revised functions

[virtualjaguar] / src / include / tom.h

diff --git a/src/include/tom.h b/src/include/tom.h
index 0aff74b9e6e9f50432cc1abdb0e4c04ba9e5e3fc..a03fa72870602ec434579935191c50d3d1b1a791 100644 (file)
--- a/src/include/tom.h
+++ b/src/include/tom.h
@@ -7,51 +7,52 @@
 
 #include "jaguar.h"
 
-#define TOM_VBLANK_DURATION_IN_SCANLINES 25
-
 #define VIDEO_MODE_16BPP_CRY   0
 #define VIDEO_MODE_24BPP_RGB   1
 #define VIDEO_MODE_16BPP_DIRECT 2
 #define VIDEO_MODE_16BPP_RGB   3
 
-extern uint32 tom_width;
-extern uint32 tom_height;
+// 68000 Interrupt bit positions (enabled at $F000E0)
+
+enum { IRQ_VBLANK = 0, IRQ_GPU, IRQ_OPFLAG, IRQ_TIMER, IRQ_DSP };
 
 void tom_init(void);
 void tom_reset(void);
 void tom_done(void);
-unsigned tom_byte_read(unsigned int offset);
-unsigned tom_word_read(unsigned int offset);
-void tom_byte_write(unsigned  offset, unsigned  data);
-void tom_word_write(unsigned  offset, unsigned  data);
-void tom_exec_scanline(int16 * backbuffer, int32 scanline, bool render);
+
+uint8 TOMReadByte(uint32 offset, uint32 who = UNKNOWN);
+uint16 TOMReadWord(uint32 offset, uint32 who = UNKNOWN);
+void TOMWriteByte(uint32 offset, uint8 data, uint32 who = UNKNOWN);
+void TOMWriteWord(uint32 offset, uint16 data, uint32 who = UNKNOWN);
+
+//void TOMExecScanline(int16 * backbuffer, int32 scanline, bool render);
+void TOMExecScanline(uint16 scanline, bool render);
 uint32 tom_getVideoModeWidth(void);
 uint32 tom_getVideoModeHeight(void);
 uint8 tom_getVideoMode(void);
 uint8 * tom_get_ram_pointer(void);
 uint16 tom_get_hdb(void);
 uint16 tom_get_vdb(void);
-uint16 tom_get_scanline(void);
-uint32 tom_getHBlankWidthInPixels(void);
-
-// Interrupts
-
-#define IRQ_VBLANK     0
-#define IRQ_GPU                1
-#define IRQ_HBLANK  2
-#define IRQ_OPFLAG  IRQ_HBLANK
-#define IRQ_TIMER      3
-#define IRQ_DSP                4
+//uint16 tom_get_scanline(void);
+//uint32 tom_getHBlankWidthInPixels(void);
 
 int    tom_irq_enabled(int irq);
 uint16 tom_irq_control_reg(void);
 void tom_set_irq_latch(int irq, int enabled);
-void tom_pit_exec(uint32 cycles);
-void tom_set_pending_puck_int(void);
+void TOMExecPIT(uint32 cycles);
+void tom_set_pending_jerry_int(void);
 void tom_set_pending_timer_int(void);
 void tom_set_pending_object_int(void);
 void tom_set_pending_gpu_int(void);
 void tom_set_pending_video_int(void);
-void tom_reset_timer(void);
+void TOMResetPIT(void);
+
+//uint32 TOMGetSDLScreenPitch(void);
+void TOMResetBackbuffer(int16 * backbuffer);
+
+// Exported variables
+
+extern uint32 tom_width;
+extern uint32 tom_height;
 
 #endif // __TOM_H__