HCoop / clinton / Virtual-Jaguar-Rx.git / blame
| Commit | Line | Data |
|---|---|---|
| cf76e892 JPM |
1 | // |
| 2 | // TOM Header file | |
| 3 | // | |
| 4 | ||
| 5 | #ifndef __TOM_H__ | |
| 6 | #define __TOM_H__ | |
| 7 | ||
| 8 | #include "memory.h" | |
| 9 | ||
| 10 | #define VIDEO_MODE_16BPP_CRY 0 | |
| 11 | #define VIDEO_MODE_24BPP_RGB 1 | |
| 12 | #define VIDEO_MODE_16BPP_DIRECT 2 | |
| 13 | #define VIDEO_MODE_16BPP_RGB 3 | |
| 14 | ||
| 15 | // Virtual screen size stuff | |
| 16 | ||
| 17 | // NB: This virtual width is for PWIDTH = 4 | |
| 18 | //#define VIRTUAL_SCREEN_WIDTH 320 | |
| 19 | //was:340, 330 | |
| 20 | #define VIRTUAL_SCREEN_WIDTH 326 | |
| 21 | #define VIRTUAL_SCREEN_HEIGHT_NTSC 240 | |
| 22 | #define VIRTUAL_SCREEN_HEIGHT_PAL 256 | |
| 23 | ||
| 24 | // 68000 Interrupt bit positions (enabled at $F000E0) | |
| 25 | ||
| 26 | enum { IRQ_VIDEO = 0, IRQ_GPU, IRQ_OPFLAG, IRQ_TIMER, IRQ_DSP }; | |
| 27 | ||
| 28 | void TOMInit(void); | |
| 29 | void TOMReset(void); | |
| 30 | void TOMDone(void); | |
| 31 | ||
| 32 | uint8_t TOMReadByte(uint32_t offset, uint32_t who = UNKNOWN); | |
| 33 | uint16_t TOMReadWord(uint32_t offset, uint32_t who = UNKNOWN); | |
| 34 | void TOMWriteByte(uint32_t offset, uint8_t data, uint32_t who = UNKNOWN); | |
| 35 | void TOMWriteWord(uint32_t offset, uint16_t data, uint32_t who = UNKNOWN); | |
| 36 | ||
| 37 | void TOMExecHalfline(uint16_t halfline, bool render); | |
| 38 | uint32_t TOMGetVideoModeWidth(void); | |
| 39 | uint32_t TOMGetVideoModeHeight(void); | |
| 40 | uint8_t TOMGetVideoMode(void); | |
| 41 | uint8_t * TOMGetRamPointer(void); | |
| 42 | uint16_t TOMGetHDB(void); | |
| 43 | uint16_t TOMGetVDB(void); | |
| 44 | uint16_t TOMGetHC(void); | |
| 45 | uint16_t TOMGetVP(void); | |
| 46 | uint16_t TOMGetMEMCON1(void); | |
| 47 | void TOMDumpIORegistersToLog(void); | |
| 48 | ||
| 49 | ||
| 50 | int TOMIRQEnabled(int irq); | |
| 51 | uint16_t TOMIRQControlReg(void); | |
| 52 | void TOMSetIRQLatch(int irq, int enabled); | |
| 53 | void TOMExecPIT(uint32_t cycles); | |
| 54 | void TOMSetPendingJERRYInt(void); | |
| 55 | void TOMSetPendingTimerInt(void); | |
| 56 | void TOMSetPendingObjectInt(void); | |
| 57 | void TOMSetPendingGPUInt(void); | |
| 58 | void TOMSetPendingVideoInt(void); | |
| 59 | void TOMResetPIT(void); | |
| 60 | ||
| 61 | // Exported variables | |
| 62 | ||
| 63 | extern uint32_t tomWidth; | |
| 64 | extern uint32_t tomHeight; | |
| 65 | extern uint8_t tomRam8[]; | |
| 66 | extern uint32_t tomTimerPrescaler; | |
| 67 | extern uint32_t tomTimerDivider; | |
| 68 | extern int32_t tomTimerCounter; | |
| 69 | ||
| 70 | extern uint32_t screenPitch; | |
| 71 | extern uint32_t * screenBuffer; | |
| 72 | ||
| 73 | #endif // __TOM_H__ |