X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Finclude%2Ftom.h;h=be51f63747a08ad6143efc1fbfb3ba008ff7874f;hb=053fb8314018df7866ade5c62c98d90007e47199;hp=3ed0ccdfb20e7adaaa436105659434a7c06f8abf;hpb=86bd0f2592c3cd674239532247276bd2d579a857;p=virtualjaguar diff --git a/src/include/tom.h b/src/include/tom.h index 3ed0ccd..be51f63 100644 --- a/src/include/tom.h +++ b/src/include/tom.h @@ -1,61 +1,55 @@ -////////////////////////////////////////////////////////////////////////////// // -////////////////////////////////////////////////////////////////////////////// +// TOM Header file // -// -// -// -// -// -////////////////////////////////////////////////////////////////////////////// #ifndef __TOM_H__ #define __TOM_H__ #include "jaguar.h" -#define TOM_VBLANK_DURATION_IN_SCANLINES 25 +//#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; 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, int8 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 tom_exec_scanline(int16 * backbuffer, int32 scanline, bool render); uint32 tom_getVideoModeWidth(void); uint32 tom_getVideoModeHeight(void); uint8 tom_getVideoMode(void); -uint8 *tom_get_ram_pointer(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 +// 68000 Interrupt bit positions (enabled at $F000E0) + +/*#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 +#define IRQ_DSP 4*/ +enum { IRQ_VBLANK = 0, IRQ_GPU, IRQ_OPFLAG, IRQ_TIMER, IRQ_DSP }; -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); +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 tom_set_pending_timer_int(void); void tom_set_pending_object_int(void); @@ -63,5 +57,6 @@ void tom_set_pending_gpu_int(void); void tom_set_pending_video_int(void); void tom_reset_timer(void); +uint32 TOMGetSDLScreenPitch(void); -#endif +#endif // __TOM_H__