--- xmil/io/crtc.h 2004/08/07 07:19:56 1.2 +++ xmil/io/crtc.h 2004/08/17 12:30:41 1.11 @@ -3,6 +3,13 @@ extern "C" { #endif +enum { + CRTC_PALB = 0, + CRTC_PALR = 1, + CRTC_PALG = 2, + CRTC_PLY = 3 +}; + #define PAL_NORMAL 0x00 #define PAL_HIGHRESO 0x01 @@ -57,64 +64,82 @@ enum { SCRN_DISPCHANGE = SCRN_24KHZ|SCRN_200LINE|SCRN_TEXTYx2|SCRN_UNDERLINE }; +enum { + CRTCREG_HSIZE = 0, + CRTCREG_HDISP = 1, + CRTCREG_HSYNC = 2, + CRTCREG_PULSE = 3, + CRTCREG_VSIZE = 4, + CRTCREG_VSIZEA = 5, + CRTCREG_VDISP = 6, + CRTCREG_VSYNC = 7, + CRTCREG_CHRCY = 9, + CRTCREG_POSH = 12, + CRTCREG_POSL = 13, -typedef struct { - UINT8 PAL_B; - UINT8 PAL_R; - UINT8 PAL_G; - UINT8 PLY; - UINT8 TEXT_PAL[8]; - UINT8 SCRN_BITS; - UINT8 CRTC_NUM; - - WORD DISP_PAGE; - WORD FNT_XL; - WORD FNT_YL; - BYTE TXT_XL; - BYTE TXT_YL; - BYTE TXT_YS; - WORD GRP_XL; - WORD GRP_YL; - BYTE CPU_BANK; - BYTE CRT_BANK; - - WORD CRT_YL; - WORD CRT_VS; - WORD CRT_VL; - - BYTE TXT_VL; - BYTE TXT_VLA; + CRTCREG_MAX = 18 +}; - WORD TXT_TOP; - WORD fnty; +typedef struct { + UINT8 SCRN_BITS; + UINT8 width40; + UINT8 regnum; UINT8 BLACKPAL; + UINT8 rgbp[4]; + UINT8 reg[CRTCREG_MAX]; +#if defined(SUPPORT_TURBOZ) UINT8 EXTPALMODE; UINT8 EXTGRPHPAL; UINT8 ZPRY; UINT8 lastpal; +#endif } CRTCSTAT; typedef struct { + SINT32 rasterclock8; + SINT32 rasterdisp8; + UINT fonty; + UINT yl; + SINT32 frameclock; + UINT8 *gram; // curvram UINT updatemask; // updatemsk UINT8 updatebit; // curupdt + UINT8 dispmode; +#if defined(SUPPORT_TURBOZ) + UINT8 pal_bank; + UINT8 pal_disp; +#endif + + UINT pos; + + SINT32 dispclock; + SINT32 vsyncstart; + SINT32 vpulseclock; } CRTCEXT; +#if defined(SUPPORT_TURBOZ) +typedef struct { + UINT8 text[8]; + UINT16 grph[2][64]; + UINT16 grph4096[4096]; +} CRTCPAL; +#endif + typedef struct { CRTCSTAT s; CRTCEXT e; +#if defined(SUPPORT_TURBOZ) + CRTCPAL p; +#endif } CRTC; -extern BYTE crtc_TEXTPAL[8]; -extern WORD crtc_GRPHPAL[2][64]; -extern WORD crtc_PAL4096[4096]; - - -//********************************************************************** +// ---- -void vrambank_patch(void); +void crtc_setwidth(REG8 width40); +void crtc_update(void); void IOOUTCALL crtc_o(UINT port, REG8 value); // x1_crtc_w @@ -122,28 +147,34 @@ void IOOUTCALL scrn_o(UINT port, REG8 va REG8 IOINPCALL scrn_i(UINT port); // x1_scrn_r void IOOUTCALL ply_o(UINT port, REG8 value); // x1_ply_w -REG8 IOINPCALL ply_i(UINT port); // x1_ply_r - void IOOUTCALL palette_o(UINT port, REG8 value); // x1_palet_w + +void IOOUTCALL blackctrl_o(UINT port, REG8 value); // x1_blackctrl_w +REG8 IOINPCALL blackctrl_i(UINT port); // x1_blackctrl_r + + +#if defined(SUPPORT_TURBOZ) +REG8 IOINPCALL ply_i(UINT port); // x1_ply_r REG8 IOINPCALL palette_i(UINT port); // x1_palet_r void IOOUTCALL extpal_o(UINT port, REG8 value); // x1_extpal_w REG8 IOINPCALL extpal_i(UINT port); // x1_extpal_r - void IOOUTCALL extgrphpal_o(UINT port, REG8 value); // x1_extgrphpal_w REG8 IOINPCALL extgrphpal_i(UINT port); // x1_extgrphpal_r - void IOOUTCALL exttextpal_o(UINT port, REG8 value); // x1_exttextpal_w REG8 IOINPCALL exttextpal_i(UINT port); // x1_exttextpal_r - void IOOUTCALL exttextdisp_o(UINT port, REG8 value); // x1_exttextdisp_w REG8 IOINPCALL exttextdisp_i(UINT port); // x1_exttextdisp_r +#endif -void IOOUTCALL blackctrl_o(UINT port, REG8 value); // x1_blackctrl_w -REG8 IOINPCALL blackctrl_i(UINT port); // x1_blackctrl_r +#if defined(SUPPORT_TURBOZ) void crtc_initialize(void); +#else +#define crtc_initialize() +#endif void crtc_reset(void); +void crtc_forcesetwidth(REG8 width); #ifdef __cplusplus }