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| version 1.3, 2004/08/07 07:19:56 | version 1.16, 2004/08/17 12:30:41 |
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| Line 1 | Line 1 |
| #include "compiler.h" | #include "compiler.h" |
| #include "scrnmng.h" | #include "scrnmng.h" |
| #include "z80core.h" | |
| #include "pccore.h" | #include "pccore.h" |
| #include "iocore.h" | #include "iocore.h" |
| #include "vram.h" | #include "vram.h" |
| Line 7 | Line 8 |
| #include "makescrn.h" | #include "makescrn.h" |
| BYTE crtc_TEXTPAL[8]; | static const UINT8 defpaltext[8] = { |
| WORD crtc_GRPHPAL[2][64]; | |
| WORD crtc_PAL4096[4096]; | |
| static const UINT8 def_TEXTPAL[8] = { | |
| 0x00, 0x03, 0x0c, 0x0f, 0x30, 0x33, 0x3c, 0x3f}; | 0x00, 0x03, 0x0c, 0x0f, 0x30, 0x33, 0x3c, 0x3f}; |
| static const UINT16 def_GRPHPAL[64] = { | static const UINT16 defpalgrph[64] = { |
| 0x000, 0x00a, 0x0a0, 0x0aa, 0xa00, 0xa0a, 0xaa0, 0xaaa, | 0x000, 0x00a, 0x0a0, 0x0aa, 0xa00, 0xa0a, 0xaa0, 0xaaa, |
| 0x005, 0x00f, 0x0a5, 0x0af, 0xa05, 0xa0f, 0xaa5, 0xaaf, | 0x005, 0x00f, 0x0a5, 0x0af, 0xa05, 0xa0f, 0xaa5, 0xaaf, |
| 0x050, 0x05a, 0x0f0, 0x0fa, 0xa50, 0xa5a, 0xaf0, 0xafa, | 0x050, 0x05a, 0x0f0, 0x0fa, 0xa50, 0xa5a, 0xaf0, 0xafa, |
| Line 24 static const UINT16 def_GRPHPAL[64] = { | Line 21 static const UINT16 def_GRPHPAL[64] = { |
| 0x550, 0x55a, 0x5f0, 0x5fa, 0xf50, 0xf5a, 0xff0, 0xffa, | 0x550, 0x55a, 0x5f0, 0x5fa, 0xf50, 0xf5a, 0xff0, 0xffa, |
| 0x555, 0x55f, 0x5f5, 0x5ff, 0xf55, 0xf5f, 0xff5, 0xfff}; | 0x555, 0x55f, 0x5f5, 0x5ff, 0xf55, 0xf5f, 0xff5, 0xfff}; |
| static const CRTCSTAT crtcdefault = { | static const UINT8 defrgbp[4] = {0xaa, 0xcc, 0xf0, 0x00}; |
| 0xaa, // PAL_B; | static const UINT8 defreg[18] = { |
| 0xcc, // PAL_R; | 0x37, 0x28, 0x2d, 0x34, |
| 0xf0, // PAL_G; | 0x1f, 0x02, 0x19, 0x1c, |
| 0x00, // PLY | 0x00, 0x07, 0x00, 0x00, |
| {0, 1, 2, 3, 4, 5, 6, 7}, // TEXT_PAL[8] | 0x00, 0x00, 0x00, 0x00, |
| 0, // SCRN_BITS | 0x00, 0x00}; |
| 0, // CRTC_NUM | |
| typedef struct { | |
| 0, // DISP_PAGE | UINT32 clock; |
| 8, // FNT_XL | UINT minx; |
| 8, // FNT_YL | UINT maxx; |
| 40, // TXT_XL | UINT miny; |
| 25, // TXT_YL | UINT maxy; |
| 28, // TXT_YS | } GDCCLK; |
| 320, // GRP_XL | |
| 200, // GRP_YL | static const GDCCLK gdcclk[] = { |
| 0, // CPU_BANK | {14318180 / 8, 112 - 8, 112 + 8, 200, 300}, |
| 0, // CRT_BANK | {21052600 / 8, 108 - 6, 108 + 6, 400, 575}}; |
| 200, // CRT_YL | enum { |
| 232, // CRT_VS | CRTCUPD_CLOCK = 0x01, |
| 266, // CRT_VL | CRTCUPD_TIMING = 0x02, |
| CRTCUPD_POS = 0x04 | |
| 31, // TXT_VL | }; |
| 10, // TXT_VLA | |
| 0, // TXT_TOP | static void crtc_clkupdate(void) { |
| 8, // fnty | |
| UINT clksync; | |
| 0, // lastpal | const GDCCLK *clk; |
| UINT h; | |
| 0, // BLACKPAL | UINT fonty; |
| 0, // EXTPALMODE | UINT v; |
| 0, // EXTGRPHPAL | |
| 0, // ZPRY | clksync = (crtc.s.SCRN_BITS & SCRN_24KHZ); |
| }; | clk = gdcclk + clksync; |
| h = crtc.s.reg[CRTCREG_HSIZE] + 1; | |
| BYTE dispmode = SCRN64_INVALID; | if (crtc.s.width40) { |
| BYTE pal_bank = PAL_NORMAL; | h = h * 2; |
| BYTE pal_disp = PAL_NORMAL; | } |
| if (h < clk->minx) { | |
| h = clk->minx; | |
| } | |
| else if (h > clk->maxx) { | |
| h = clk->maxx; | |
| } | |
| crtc.e.rasterclock8 = (4000000 * h) / (clk->clock >> 8); | |
| fonty = crtc.s.reg[CRTCREG_CHRCY] & 0x1f; | |
| fonty >>= clksync; | |
| fonty += 1; | |
| crtc.e.fonty = fonty; | |
| v = (crtc.s.reg[CRTCREG_CHRCY] & 0x1f) + 1; | |
| v = v * ((crtc.s.reg[CRTCREG_VSIZE] & 0x7f) + 1); | |
| v = v + (crtc.s.reg[CRTCREG_VSIZEA] & 0x1f); | |
| if (v < clk->miny) { | |
| v = clk->miny; | |
| } | |
| else if (v > clk->maxy) { | |
| v = clk->maxy; | |
| } | |
| crtc.e.frameclock = ((4000000 * h) / clk->clock) * v; | |
| } | |
| static void crtc_timingupdate(void) { | |
| UINT32 fontclock; | |
| UINT yl; | |
| // とりあえず…ね | |
| crtc.e.rasterdisp8 = (crtc.e.rasterclock8 * 40) / 56; | |
| fontclock = (crtc.s.reg[CRTCREG_CHRCY] & 0x1f) + 1; | |
| fontclock = (fontclock * crtc.e.rasterclock8) >> 8; | |
| // YsIIIが yl==0で disp信号見る…なんで? | |
| yl = (crtc.s.reg[CRTCREG_VDISP] & 0x7f); | |
| crtc.e.yl = yl; | |
| crtc.e.dispclock = fontclock * max(yl, 1); | |
| crtc.e.vsyncstart = fontclock * ((crtc.s.reg[CRTCREG_VSYNC] & 0x7f) + 1); | |
| crtc.e.vpulseclock = ((crtc.s.reg[CRTCREG_PULSE] >> 4) | |
| * crtc.e.rasterclock8) >> 8; | |
| void vrambank_patch(void) { | crtc.e.pos = crtc.s.reg[CRTCREG_POSL] |
| + ((crtc.s.reg[CRTCREG_POSH] & 7) << 8); | |
| } | |
| static void crtc_bankupdate(void) { | |
| #if defined(SUPPORT_TURBOZ) | |
| UINT updatemask; | UINT updatemask; |
| UINT8 dispmode; | |
| UINT8 pal_bank; | |
| UINT8 pal_disp; | |
| #endif | |
| if (crtc.s.SCRN_BITS & 0x10) { | if (crtc.s.SCRN_BITS & 0x10) { |
| crtc.e.gram = GRP_RAM + GRAM_BANK1; | crtc.e.gram = gram + GRAM_BANK1; |
| crtc.e.updatebit = UPDATE_VRAM1; | crtc.e.updatebit = UPDATE_VRAM1; |
| } | } |
| else { | else { |
| crtc.e.gram = GRP_RAM + GRAM_BANK0; | crtc.e.gram = gram + GRAM_BANK0; |
| crtc.e.updatebit = UPDATE_VRAM0; | crtc.e.updatebit = UPDATE_VRAM0; |
| } | } |
| dispmode = (crtc.s.SCRN_BITS & SCRN_DISPVRAM)?SCRN_BANK1:SCRN_BANK0; | |
| pal_bank = pal_disp = PAL_NORMAL; | |
| #if !defined(SUPPORT_TURBOZ) | |
| crtc.e.updatemask = (crtc.s.SCRN_BITS & SCRN_TEXTYx2)?0x3ff:0x7ff; | |
| crtc.e.dispmode = | |
| (crtc.s.SCRN_BITS & SCRN_DISPVRAM)?SCRN_BANK1:SCRN_BANK0; | |
| #else | |
| dispmode = (crtc.s.SCRN_BITS & SCRN_DISPVRAM)?SCRN_BANK1:SCRN_BANK0; | |
| pal_bank = PAL_NORMAL; | |
| pal_disp = PAL_NORMAL; | |
| if ((!(crtc.s.EXTPALMODE & 0x80)) || (crtc.s.SCRN_BITS & SCRN_UNDERLINE)) { | if ((!(crtc.s.EXTPALMODE & 0x80)) || (crtc.s.SCRN_BITS & SCRN_UNDERLINE)) { |
| updatemask = 0x7ff; | updatemask = 0x7ff; |
| if ((crtc.s.SCRN_BITS & SCRN_24KHZ) && (crtc.s.TXT_XL == 80)) { | if ((crtc.s.SCRN_BITS & SCRN_24KHZ) && (!crtc.s.width40)) { |
| pal_bank = pal_disp = PAL_HIGHRESO; | pal_bank = PAL_HIGHRESO; |
| pal_disp = PAL_HIGHRESO; | |
| } | } |
| if (crtc.s.SCRN_BITS & SCRN_TEXTYx2) { | if (crtc.s.SCRN_BITS & SCRN_TEXTYx2) { |
| updatemask = 0x3ff; | updatemask = 0x3ff; |
| Line 94 void vrambank_patch(void) { | Line 150 void vrambank_patch(void) { |
| updatemask = 0x3ff; | updatemask = 0x3ff; |
| if (!(crtc.s.SCRN_BITS & SCRN_TEXTYx2)) { | if (!(crtc.s.SCRN_BITS & SCRN_TEXTYx2)) { |
| if (crtc.s.SCRN_BITS & SCRN_24KHZ) { | if (crtc.s.SCRN_BITS & SCRN_24KHZ) { |
| if (crtc.s.TXT_XL == 40) { | if (crtc.s.width40) { |
| if (crtc.s.SCRN_BITS & SCRN_200LINE) { // width 40,25,0,2 | if (crtc.s.SCRN_BITS & SCRN_200LINE) { // width 40,25,0,2 |
| dispmode |= SCRN64_320x200; | dispmode |= SCRN64_320x200; |
| } | } |
| Line 108 void vrambank_patch(void) { | Line 164 void vrambank_patch(void) { |
| } | } |
| } | } |
| else { | else { |
| if (crtc.s.TXT_XL == 40) { // width 40,25,0,1 | if (crtc.s.width40) { // width 40,25,0,1 |
| if (crtc.s.EXTPALMODE & 0x10) { | if (crtc.s.EXTPALMODE & 0x10) { |
| if (crtc.s.ZPRY & 0x10) { | if (crtc.s.ZPRY & 0x10) { |
| dispmode = SCRN64_L320x200x2 | | dispmode = SCRN64_L320x200x2 | |
| Line 139 void vrambank_patch(void) { | Line 195 void vrambank_patch(void) { |
| } | } |
| else { | else { |
| if (crtc.s.SCRN_BITS & SCRN_24KHZ) { | if (crtc.s.SCRN_BITS & SCRN_24KHZ) { |
| if (crtc.s.TXT_XL == 40) { | if (crtc.s.width40) { |
| if (crtc.s.SCRN_BITS & SCRN_200LINE) { // width 40,12,0,2 | if (crtc.s.SCRN_BITS & SCRN_200LINE) { // width 40,12,0,2 |
| dispmode |= SCRN64_320x100; | dispmode |= SCRN64_320x100; |
| } | } |
| Line 152 void vrambank_patch(void) { | Line 208 void vrambank_patch(void) { |
| } | } |
| } | } |
| else { | else { |
| if (crtc.s.TXT_XL == 40) { // width 40,12,0,1 | if (crtc.s.width40) { // width 40,12,0,1 |
| if (crtc.s.EXTPALMODE & 0x10) { | if (crtc.s.EXTPALMODE & 0x10) { |
| if (crtc.s.ZPRY & 0x10) { | if (crtc.s.ZPRY & 0x10) { |
| dispmode = SCRN64_320x100x2 | | dispmode = SCRN64_320x100x2 | |
| Line 182 void vrambank_patch(void) { | Line 238 void vrambank_patch(void) { |
| } | } |
| } | } |
| crtc.e.updatemask = updatemask; | crtc.e.updatemask = updatemask; |
| } | crtc.e.dispmode = dispmode; |
| crtc.e.pal_bank = pal_bank; | |
| void crtc_updt(void) { | crtc.e.pal_disp = pal_disp; |
| #endif | |
| if (crtc.s.SCRN_BITS & SCRN_24KHZ) { | |
| crtc.s.fnty = (crtc.s.FNT_YL >> 1) & 0xfffe; | |
| } | |
| else { | |
| crtc.s.fnty = crtc.s.FNT_YL & 0xfffe; | |
| } | |
| if (crtc.s.TXT_YL) { | |
| crtc.s.CRT_YL = crtc.s.fnty * crtc.s.TXT_YL; | |
| } | |
| else { | |
| crtc.s.CRT_YL = crtc.s.fnty * 1; | |
| } | |
| crtc.s.CRT_VS = crtc.s.fnty * (crtc.s.TXT_YS + 1); | |
| crtc.s.CRT_VL = (crtc.s.TXT_VL + 1) * crtc.s.fnty + crtc.s.TXT_VLA; | |
| // TRACEOUT(("set> %d / %d / %d", crtc.s.CRT_YL, crtc.s.CRT_VS, crtc.s.CRT_VL)); | |
| } | } |
| Line 208 void crtc_updt(void) { | Line 249 void crtc_updt(void) { |
| void IOOUTCALL crtc_o(UINT port, REG8 value) { | void IOOUTCALL crtc_o(UINT port, REG8 value) { |
| if (port == 0x1800) { | port &= 0xff; |
| crtc.s.CRTC_NUM = value; | if (port == 0) { |
| } | crtc.s.regnum = value; |
| else if (port == 0x1801) { | } |
| switch(crtc.s.CRTC_NUM) { | else if (port == 1) { |
| case 0x01: | if (crtc.s.regnum < CRTCREG_MAX) { |
| if (value <= 40) { | if (crtc.s.reg[crtc.s.regnum] != value) { |
| crtc.s.TXT_XL = 40; | crtc.s.reg[crtc.s.regnum] = value; |
| } | crtc_clkupdate(); |
| else { | crtc_timingupdate(); |
| crtc.s.TXT_XL = 80; | crtc_bankupdate(); |
| } | |
| vrambank_patch(); | |
| break; | |
| case 0x04: | |
| crtc.s.TXT_VL = value; | |
| break; | |
| case 0x05: | |
| crtc.s.TXT_VLA = value; | |
| break; | |
| case 0x06: | |
| crtc.s.TXT_YL = value; | |
| break; | |
| case 0x07: | |
| crtc.s.TXT_YS = value; | |
| break; | |
| case 0x09: | |
| crtc.s.FNT_YL = (WORD)value+1; | |
| break; | |
| case 0x0c: | |
| crtc.s.TXT_TOP &= 0xff; | |
| crtc.s.TXT_TOP |= (value & 7) << 8; | |
| makescrn.remakeattr = 1; | makescrn.remakeattr = 1; |
| break; | scrnallflash = 1; |
| } | |
| case 0x0d: | |
| crtc.s.TXT_TOP &= 0x7ff; | |
| crtc.s.TXT_TOP |= value; | |
| makescrn.remakeattr = 1; | |
| break; | |
| default: | |
| return; | |
| } | } |
| crtc.s.GRP_XL = crtc.s.TXT_XL << 3; | |
| crtc.s.GRP_YL = 200; | |
| crtc_updt(); | |
| scrnallflash = 1; /* 990220 puni */ | |
| } | } |
| } | } |
| Line 275 void IOOUTCALL scrn_o(UINT port, REG8 va | Line 277 void IOOUTCALL scrn_o(UINT port, REG8 va |
| modify = crtc.s.SCRN_BITS ^ value; | modify = crtc.s.SCRN_BITS ^ value; |
| crtc.s.SCRN_BITS = value; | crtc.s.SCRN_BITS = value; |
| if (modify & SCRN_DISPCHANGE) { | if (modify & SCRN_DISPCHANGE) { |
| reflesh_palette(); | // pal_reset(); // なんで? |
| scrnallflash = 1; | scrnallflash = 1; |
| makescrn.palandply = 1; | makescrn.palandply = 1; |
| crtc_updt(); | crtc_clkupdate(); |
| crtc_timingupdate(); | |
| } | } |
| vrambank_patch(); | crtc_bankupdate(); |
| crtc.s.CPU_BANK = (BYTE)((crtc.s.SCRN_BITS & SCRN_ACCESSVRAM)?1:0); | |
| crtc.s.CRT_BANK = (BYTE)((crtc.s.SCRN_BITS & SCRN_DISPVRAM)?1:0); | |
| (void)port; | (void)port; |
| } | } |
| Line 297 REG8 IOINPCALL scrn_i(UINT port) { | Line 298 REG8 IOINPCALL scrn_i(UINT port) { |
| void IOOUTCALL ply_o(UINT port, REG8 value) { | void IOOUTCALL ply_o(UINT port, REG8 value) { |
| if (crtc.s.PLY != value) { | if (crtc.s.rgbp[CRTC_PLY] != value) { |
| crtc.s.PLY = value; | crtc.s.rgbp[CRTC_PLY] = value; |
| makescrn.palandply = 1; | makescrn.palandply = 1; |
| } | } |
| (void)port; | (void)port; |
| } | } |
| REG8 IOINPCALL ply_i(UINT port) { | |
| (void)port; | |
| return(crtc.s.PLY); | |
| } | |
| // ---- パレット | // ---- パレット |
| void IOOUTCALL palette_o(UINT port, REG8 value) { | void IOOUTCALL palette_o(UINT port, REG8 value) { |
| UINT num; | |
| #if defined(SUPPORT_TURBOZ) | |
| REG8 sft; | |
| UINT pal; | UINT pal; |
| BYTE c; | #endif |
| #if defined(SUPPORT_TURBOZ) | |
| crtc.s.lastpal = (value & 0xf0); | crtc.s.lastpal = (value & 0xf0); |
| if (crtc.s.EXTPALMODE & 0x80) { | if (!(crtc.s.EXTPALMODE & 0x80)) { |
| #endif | |
| num = (port >> 8) & 3; | |
| if (crtc.s.rgbp[num] != value) { | |
| crtc.s.rgbp[num] = value; | |
| makescrn.palandply = 1; | |
| } | |
| #if defined(SUPPORT_TURBOZ) | |
| } | |
| else { | |
| if ((crtc.s.EXTGRPHPAL & 0x88) != 0x80) { | if ((crtc.s.EXTGRPHPAL & 0x88) != 0x80) { |
| return; | return; |
| } | } |
| if (pal_bank & PAL_4096) { // use 4096palettes | sft = (port >> (8 - 2)) & (3 << 2); |
| switch(pal_bank & (PAL_4096FULL | PAL_4096BANK)) { | if (crtc.e.pal_bank & PAL_4096) { // use 4096palettes |
| case 0: | num = ((port & 0xff) << 4) + (crtc.s.lastpal >> 4); |
| pal = ((port & 0xcc) << 4) + ((value & 0xc0) >> 4); | if (!(crtc.e.pal_bank & PAL_4096FULL)) { |
| break; | num &= 0xccc; |
| if (crtc.e.pal_bank & PAL_4096BANK) { | |
| case 1: | num >>= 2; |
| pal = ((port & 0xcc) << 2) + ((value & 0xc0) >> 6); | } |
| break; | |
| default: | |
| pal = ((port & 0xff) << 4) + (crtc.s.lastpal >> 4); | |
| break; | |
| } | |
| value &= 0xf; | |
| switch(port & 0xff00) { | |
| case 0x1000: | |
| crtc_PAL4096[pal] &= 0xff0; | |
| crtc_PAL4096[pal] |= value; | |
| break; | |
| case 0x1100: | |
| crtc_PAL4096[pal] &= 0xf0f; | |
| crtc_PAL4096[pal] |= (value << 4); | |
| break; | |
| case 0x1200: | |
| crtc_PAL4096[pal] &= 0x0ff; | |
| crtc_PAL4096[pal] |= ((WORD)value << 8); | |
| break; | |
| } | } |
| pal_setgrph4096(pal); | pal = crtc.p.grph4096[num]; |
| pal &= ~((0x0f) << sft); | |
| pal |= (value & 0x0f) << sft; | |
| crtc.p.grph4096[num] = pal; | |
| pal_setgrph4096(num); | |
| } | } |
| else { | else { |
| c = ((port & 0x80) >> 5) | ((port & 0x08) >> 2) | | num = ((port & 0x80) >> 5) | ((port & 0x08) >> 2) | |
| ((value & 0x80) >> 7); | ((value & 0x80) >> 7); |
| if ((dispmode & SCRN64_MASK) == SCRN64_INVALID) { | if ((crtc.e.dispmode & SCRN64_MASK) == SCRN64_INVALID) { |
| c |= (c << 3); | num |= (num << 3); |
| } | } |
| else { | else { |
| c += ((port & 0x40) >> 1) | ((port & 0x04) << 2) | | num += ((port & 0x40) >> 1) | ((port & 0x04) << 2) | |
| ((value & 0x40) >> 3); | ((value & 0x40) >> 3); |
| } | } |
| value &= 0xf; | pal = crtc.p.grph[crtc.e.pal_bank][num]; |
| switch(port & 0xff00) { | pal &= ~((0x0f) << sft); |
| case 0x1000: | pal |= (value & 0x0f) << sft; |
| crtc_GRPHPAL[pal_bank][c] &= 0xff0; | crtc.p.grph[crtc.e.pal_bank][num] = pal; |
| crtc_GRPHPAL[pal_bank][c] |= value; | pal_setgrph(crtc.e.pal_bank, (REG8)num); |
| break; | |
| case 0x1100: | |
| crtc_GRPHPAL[pal_bank][c] &= 0xf0f; | |
| crtc_GRPHPAL[pal_bank][c] |= (value << 4); | |
| break; | |
| case 0x1200: | |
| crtc_GRPHPAL[pal_bank][c] &= 0x0ff; | |
| crtc_GRPHPAL[pal_bank][c] |= ((WORD)value << 8); | |
| break; | |
| } | |
| pal_setgrph(pal_bank, c); | |
| } | } |
| } | } |
| else { | #endif |
| switch(port & 0xff00) { | } |
| case 0x1000: | |
| if (crtc.s.PAL_B != value) { | |
| crtc.s.PAL_B = value; | |
| makescrn.palandply = 1; | |
| } | |
| break; | |
| case 0x1100: | void IOOUTCALL blackctrl_o(UINT port, REG8 value) { |
| if (crtc.s.PAL_R != value) { | |
| crtc.s.PAL_R = value; | |
| makescrn.palandply = 1; | |
| } | |
| break; | |
| case 0x1200: | crtc.s.BLACKPAL = value; |
| if (crtc.s.PAL_G != value) { | makescrn.palandply = 1; |
| crtc.s.PAL_G = value; | (void)port; |
| makescrn.palandply = 1; | |
| } | |
| break; | |
| } | |
| } | |
| } | } |
| REG8 IOINPCALL palette_i(UINT port) { | REG8 IOINPCALL blackctrl_i(UINT port) { |
| UINT c; | (void)port; |
| return(crtc.s.BLACKPAL); | |
| } | |
| if ((crtc.s.EXTPALMODE & 0x80) && ((crtc.s.EXTGRPHPAL & 0x88) == 0x88)) { | |
| if (pal_bank & PAL_4096) { // use 4096palettes | |
| switch(pal_bank & (PAL_4096FULL | PAL_4096BANK)) { | |
| case 0: | |
| c = ((port & 0xcc) << 4) | ((crtc.s.lastpal & 0xc0) >> 4); | |
| break; | |
| case 1: | |
| c = ((port & 0xcc) << 2) | ((crtc.s.lastpal & 0xc0) >> 6); | |
| break; | |
| default: | |
| c = ((port & 0xff) << 4) | (crtc.s.lastpal >> 4); | |
| break; | |
| } | |
| switch(port & 0xff00) { | |
| case 0x1000: | |
| return(crtc.s.lastpal | (crtc_PAL4096[c] & 0xf)); | |
| case 0x1100: | // ---- turboZ |
| return(crtc.s.lastpal | ((crtc_PAL4096[c] & 0xf0) >> 4)); | |
| #if defined(SUPPORT_TURBOZ) | |
| case 0x1200: | REG8 IOINPCALL ply_i(UINT port) { |
| return(crtc.s.lastpal | ((crtc_PAL4096[c] & 0xf00) >> 8)); | |
| (void)port; | |
| return(crtc.s.rgbp[CRTC_PLY]); | |
| } | |
| REG8 IOINPCALL palette_i(UINT port) { | |
| UINT num; | |
| UINT pal; | |
| REG8 sft; | |
| if ((crtc.s.EXTPALMODE & 0x80) && ((crtc.s.EXTGRPHPAL & 0x88) == 0x88)) { | |
| if (crtc.e.pal_bank & PAL_4096) { // use 4096palettes | |
| num = ((port & 0xff) << 4) + (crtc.s.lastpal >> 4); | |
| if (!(crtc.e.pal_bank & PAL_4096FULL)) { | |
| num &= 0xccc; | |
| if (crtc.e.pal_bank & PAL_4096BANK) { | |
| num >>= 2; | |
| } | |
| } | } |
| pal = crtc.p.grph4096[num]; | |
| } | } |
| else { | else { |
| c = ((port & 0x80) >> 5) | ((port & 0x08) >> 2) | | num = ((port & 0x80) >> 5) | ((port & 0x08) >> 2) | |
| ((crtc.s.lastpal & 0x80) >> 7); | ((crtc.s.lastpal & 0x80) >> 7); |
| if ((dispmode & SCRN64_MASK) == SCRN64_INVALID) { | if ((crtc.e.dispmode & SCRN64_MASK) == SCRN64_INVALID) { |
| c |= (c << 3); | num |= (num << 3); |
| } | } |
| else { | else { |
| c += ((port & 0x40) >> 1) | ((port & 0x04) << 2) | | num += ((port & 0x40) >> 1) | ((port & 0x04) << 2) | |
| ((crtc.s.lastpal & 0x40) >> 3); | ((crtc.s.lastpal & 0x40) >> 3); |
| } | } |
| switch(port & 0xff00) { | pal = crtc.p.grph[crtc.e.pal_bank][num]; |
| case 0x1000: | |
| return(crtc.s.lastpal | | |
| (crtc_GRPHPAL[pal_bank][c] & 0xf)); | |
| case 0x1100: | |
| return(crtc.s.lastpal | | |
| ((crtc_GRPHPAL[pal_bank][c] & 0xf0) >> 4)); | |
| case 0x1200: | |
| return(crtc.s.lastpal | | |
| ((crtc_GRPHPAL[pal_bank][c] & 0xf00) >> 8)); | |
| } | |
| } | } |
| sft = (port >> (8 - 2)) & (3 << 2); | |
| return((REG8)(crtc.s.lastpal + ((pal >> sft) & 0xf))); | |
| } | |
| else { | |
| return(0xff); | |
| } | } |
| return(0xff); | |
| } | } |
| // ---- turboZ | |
| void IOOUTCALL extpal_o(UINT port, REG8 value) { | void IOOUTCALL extpal_o(UINT port, REG8 value) { |
| crtc.s.EXTPALMODE = value; | crtc.s.EXTPALMODE = value; |
| vrambank_patch(); | crtc_bankupdate(); |
| (void)port; | |
| } | } |
| REG8 IOINPCALL extpal_i(UINT port) { | REG8 IOINPCALL extpal_i(UINT port) { |
| (void)port; | |
| return(crtc.s.EXTPALMODE); | return(crtc.s.EXTPALMODE); |
| } | } |
| Line 487 void IOOUTCALL extgrphpal_o(UINT port, R | Line 446 void IOOUTCALL extgrphpal_o(UINT port, R |
| if (crtc.s.EXTPALMODE & 0x80) { | if (crtc.s.EXTPALMODE & 0x80) { |
| crtc.s.EXTGRPHPAL = value; | crtc.s.EXTGRPHPAL = value; |
| } | } |
| (void)port; | |
| } | } |
| REG8 IOINPCALL extgrphpal_i(UINT port) { | REG8 IOINPCALL extgrphpal_i(UINT port) { |
| Line 494 REG8 IOINPCALL extgrphpal_i(UINT port) { | Line 454 REG8 IOINPCALL extgrphpal_i(UINT port) { |
| if (crtc.s.EXTPALMODE & 0x80) { | if (crtc.s.EXTPALMODE & 0x80) { |
| return(crtc.s.EXTGRPHPAL); | return(crtc.s.EXTGRPHPAL); |
| } | } |
| (void)port; | |
| return(0xff); | return(0xff); |
| } | } |
| void IOOUTCALL exttextpal_o(UINT port, REG8 value) { | void IOOUTCALL exttextpal_o(UINT port, REG8 value) { |
| if (crtc.s.EXTPALMODE & 0x80) { | if (crtc.s.EXTPALMODE & 0x80) { |
| crtc_TEXTPAL[port & 7] = value; | crtc.p.text[port & 7] = value; |
| pal_settext((REG8)(port & 7)); | pal_settext((REG8)(port & 7)); |
| } | } |
| } | } |
| Line 508 void IOOUTCALL exttextpal_o(UINT port, R | Line 469 void IOOUTCALL exttextpal_o(UINT port, R |
| REG8 IOINPCALL exttextpal_i(UINT port) { | REG8 IOINPCALL exttextpal_i(UINT port) { |
| if (crtc.s.EXTPALMODE & 0x80) { | if (crtc.s.EXTPALMODE & 0x80) { |
| return(crtc_TEXTPAL[port & 7]); | return(crtc.p.text[port & 7]); |
| } | } |
| return(0xff); | return(0xff); |
| } | } |
| Line 516 REG8 IOINPCALL exttextpal_i(UINT port) { | Line 477 REG8 IOINPCALL exttextpal_i(UINT port) { |
| void IOOUTCALL exttextdisp_o(UINT port, REG8 value) { | void IOOUTCALL exttextdisp_o(UINT port, REG8 value) { |
| crtc.s.ZPRY = value; | crtc.s.ZPRY = value; |
| vrambank_patch(); | crtc_bankupdate(); |
| (void)port; | |
| } | } |
| REG8 IOINPCALL exttextdisp_i(UINT port) { | REG8 IOINPCALL exttextdisp_i(UINT port) { |
| Line 524 REG8 IOINPCALL exttextdisp_i(UINT port) | Line 486 REG8 IOINPCALL exttextdisp_i(UINT port) |
| if (crtc.s.EXTPALMODE & 0x80) { | if (crtc.s.EXTPALMODE & 0x80) { |
| return(crtc.s.ZPRY); | return(crtc.s.ZPRY); |
| } | } |
| (void)port; | |
| return(0xff); | return(0xff); |
| } | } |
| #endif | |
| void IOOUTCALL blackctrl_o(UINT port, REG8 value) { | |
| crtc.s.BLACKPAL = value; | // ---- |
| void crtc_update(void) { | |
| crtc_clkupdate(); | |
| crtc_timingupdate(); | |
| crtc_bankupdate(); | |
| makescrn.palandply = 1; | makescrn.palandply = 1; |
| scrnallflash = 1; | |
| } | } |
| REG8 IOINPCALL blackctrl_i(UINT port) { | void crtc_setwidth(REG8 width40) { |
| return(crtc.s.BLACKPAL); | crtc.s.width40 = width40; |
| crtc_update(); | |
| } | } |
| // ---- | // ---- |
| #if defined(SUPPORT_TURBOZ) | |
| static void resetpal(void) { | static void resetpal(void) { |
| CopyMemory(crtc_TEXTPAL, def_TEXTPAL, 8); | CopyMemory(crtc.p.text, defpaltext, sizeof(defpaltext)); |
| CopyMemory(crtc_GRPHPAL[0], def_GRPHPAL, 64*2); | CopyMemory(crtc.p.grph[0], defpalgrph, sizeof(defpalgrph)); |
| CopyMemory(crtc_GRPHPAL[1], def_GRPHPAL, 64*2); | CopyMemory(crtc.p.grph[1], defpalgrph, sizeof(defpalgrph)); |
| } | } |
| #endif | |
| #if defined(SUPPORT_TURBOZ) | |
| void crtc_initialize(void) { | void crtc_initialize(void) { |
| UINT p; | UINT p; |
| resetpal(); | resetpal(); |
| for (p=0; p<4096; p++) { | for (p=0; p<4096; p++) { |
| crtc_PAL4096[p] = p; | crtc.p.grph4096[p] = p; |
| } | } |
| } | } |
| #endif | |
| void crtc_reset(void) { | void crtc_reset(void) { |
| crtc.s = crtcdefault; | ZeroMemory(&crtc, sizeof(crtc)); |
| CopyMemory(crtc.s.rgbp, defrgbp, 4); | |
| dispmode = SCRN64_INVALID; | CopyMemory(crtc.s.reg, defreg, 18); |
| pal_bank = pal_disp = PAL_NORMAL; | crtc.s.width40 = 1; |
| #if defined(SUPPORT_TURBOZ) | |
| if (pccore.ROM_TYPE < 3) { | if (pccore.ROM_TYPE < 3) { |
| resetpal(); | resetpal(); |
| } | } |
| if ((pccore.ROM_TYPE >= 2) && (!(pccore.DIP_SW & 1))) { | #endif |
| crtc.s.SCRN_BITS = SCRN_200LINE; | // IPLが勝手に切り替える筈である |
| crtc.s.FNT_YL = 16; | // if ((pccore.ROM_TYPE >= 2) && (!(pccore.DIP_SW & 1))) { |
| } | // crtc.s.SCRN_BITS = SCRN_200LINE; |
| // crtc.s.reg[CRTCREG_CHRCY] = 15; | |
| reflesh_palette(); | // } |
| crtc_updt(); | |
| vrambank_patch(); | pal_reset(); |
| makescrn.palandply = 1; | makescrn.palandply = 1; |
| crtc_update(); | |
| } | |
| void crtc_forcesetwidth(REG8 width) { | |
| crtc.s.reg[CRTCREG_HDISP] = (UINT8)width; | |
| crtc_bankupdate(); | |
| scrnallflash = 1; | scrnallflash = 1; |
| } | } |