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| version 1.13, 2004/02/07 21:23:22 | version 1.21, 2004/02/19 06:10:13 |
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| Line 6 | Line 6 |
| #include "vram.h" | #include "vram.h" |
| #include "palettes.h" | #include "palettes.h" |
| #include "gdc_cmd.tbl" | #include "gdc_cmd.tbl" |
| #include "timing.h" | |
| #define SEARHC_SYNC | #define SEARCH_SYNC |
| #define TURE_SYNC | #define TURE_SYNC |
| typedef struct { | |
| UINT32 clock; | |
| UINT minx; | |
| UINT maxx; | |
| UINT miny; | |
| UINT maxy; | |
| } GDCCLK; | |
| static const GDCCLK gdcclk[] = { | |
| {14318180 / 8, 112 - 8, 112 + 8, 200, 300}, | |
| {21052600 / 8, 106 - 6, 106 + 6, 400, 575}, | |
| {25056815 / 8, 106 - 6, 106 + 6, 400, 575}, | |
| {25175000 / 8, 100 - 4, 100 + 4, 400, 575}}; | |
| static const UINT8 defdegpal[4] = {0x04,0x15,0x26,0x37}; | static const UINT8 defdegpal[4] = {0x04,0x15,0x26,0x37}; |
| static const UINT8 defsync15[8] = {0x10,0x4e,0x07,0x25,0x0d,0x0f,0xc8,0x94}; | |
| static const UINT8 defsync24[8] = {0x10,0x4e,0x07,0x25,0x07,0x07,0x90,0x65}; | static const UINT8 defsyncm15[8] = {0x10,0x4e,0x07,0x25,0x0d,0x0f,0xc8,0x94}; |
| static const UINT8 defsyncs15[8] = {0x06,0x26,0x03,0x11,0x86,0x0f,0xc8,0x94}; | |
| static const UINT8 defsyncm24[8] = {0x10,0x4e,0x07,0x25,0x07,0x07,0x90,0x65}; | |
| static const UINT8 defsyncs24[8] = {0x06,0x26,0x03,0x11,0x83,0x07,0x90,0x65}; | |
| void gdc_setdegitalpal(int color, REG8 value) { | void gdc_setdegitalpal(int color, REG8 value) { |
| Line 94 void gdc_paletteinit(void) { | Line 112 void gdc_paletteinit(void) { |
| // -------------------------------------------------------------------------- | // -------------------------------------------------------------------------- |
| void gdc_vectreset(GDCDATA item) { | |
| item->para[GDC_VECTW+1] = 0x00; | |
| item->para[GDC_VECTW+2] = 0x00; | |
| item->para[GDC_VECTW+3] = 0x08; | |
| item->para[GDC_VECTW+4] = 0x00; | |
| item->para[GDC_VECTW+5] = 0x08; | |
| item->para[GDC_VECTW+6] = 0x00; | |
| item->para[GDC_VECTW+7] = 0xff; | |
| item->para[GDC_VECTW+8] = 0xff; | |
| item->para[GDC_VECTW+9] = 0xff; | |
| item->para[GDC_VECTW+10] = 0xff; | |
| } | |
| static void vectdraw(void) { | static void vectdraw(void) { |
| UINT32 csrw; | UINT32 csrw; |
| UINT16 textw; | const GDCVECT *vect; |
| REG16 textw; | |
| REG8 ope; | |
| csrw = LOADINTELDWORD(gdc.s.para + GDC_CSRW); | csrw = LOADINTELDWORD(gdc.s.para + GDC_CSRW); |
| vect = (GDCVECT *)(gdc.s.para + GDC_VECTW); | |
| textw = LOADINTELWORD(gdc.s.para + GDC_TEXTW); | textw = LOADINTELWORD(gdc.s.para + GDC_TEXTW); |
| ope = gdc.s.para[GDC_WRITE]; | |
| if (gdc.s.para[GDC_VECTW] & 0x8) { | if (vect->ope & 0x08) { |
| gdcsub_line(csrw, (GDCVECT *)(gdc.s.para + GDC_VECTW), | gdcsub_vectl(csrw, vect, textw, ope); |
| textw, gdc.s.para[GDC_WRITE]); | } |
| if (vect->ope & 0x10) { // undocumented | |
| gdcsub_vectt(csrw, vect, textw, ope); | |
| } | } |
| if (gdc.s.para[GDC_VECTW] & 0x20) { | if (vect->ope & 0x20) { |
| gdcsub_circle(csrw, (GDCVECT *)(gdc.s.para + GDC_VECTW), | gdcsub_vectc(csrw, vect, textw, ope); |
| textw, gdc.s.para[GDC_WRITE]); | |
| } | } |
| if (gdc.s.para[GDC_VECTW] & 0x40) { | if (vect->ope & 0x40) { |
| gdcsub_box(csrw, (GDCVECT *)(gdc.s.para + GDC_VECTW), | gdcsub_vectr(csrw, vect, textw, ope); |
| textw, gdc.s.para[GDC_WRITE]); | |
| } | } |
| gdc_vectreset(&gdc.s); | |
| } | } |
| static void textdraw(void) { // ver0.30 | static void textdraw(void) { |
| UINT32 csrw; | UINT32 csrw; |
| UINT16 textw; | const GDCVECT *vect; |
| REG16 textw; | |
| REG8 ope; | |
| csrw = LOADINTELDWORD(gdc.s.para + GDC_CSRW); | |
| vect = (GDCVECT *)(gdc.s.para + GDC_VECTW); | |
| textw = gdc.s.para[GDC_TEXTW + 7]; | |
| textw = (textw << 8) + textw; | |
| ope = gdc.s.para[GDC_WRITE]; | |
| if (gdc.s.para[GDC_VECTW] & 0x10) { | if (vect->ope & 0x08) { // undocumented |
| csrw = LOADINTELDWORD(gdc.s.para + GDC_CSRW); | gdcsub_vectl(csrw, vect, textw, ope); |
| textw = LOADINTELWORD(gdc.s.para + GDC_TEXTW); | |
| gdcsub_text(csrw, (GDCVECT *)(gdc.s.para + GDC_VECTW), | |
| textw, gdc.s.para[GDC_WRITE]); | |
| } | } |
| if (vect->ope & 0x10) { | |
| gdcsub_text(csrw, vect, gdc.s.para + GDC_TEXTW, ope); | |
| } | |
| if (vect->ope & 0x20) { // undocumented | |
| gdcsub_vectc(csrw, vect, textw, ope); | |
| } | |
| if (vect->ope & 0x40) { // undocumented | |
| gdcsub_vectr(csrw, vect, textw, ope); | |
| } | |
| gdc_vectreset(&gdc.s); | |
| } | } |
| void gdc_work(int id) { | void gdc_work(int id) { |
| Line 134 void gdc_work(int id) { | Line 186 void gdc_work(int id) { |
| GDCDATA item; | GDCDATA item; |
| UINT8 *dispflag; | UINT8 *dispflag; |
| UINT i; | UINT i; |
| BYTE data; | UINT8 data; |
| item = (id==GDCWORK_MASTER)?&gdc.m:&gdc.s; | item = (id == GDCWORK_MASTER)?&gdc.m:&gdc.s; |
| dispflag = (id==GDCWORK_MASTER)?&gdcs.textdisp:&gdcs.grphdisp; | dispflag = (id == GDCWORK_MASTER)?&gdcs.textdisp:&gdcs.grphdisp; |
| for (i=0; i<item->cnt; i++) { | for (i=0; i<item->cnt; i++) { |
| data = (BYTE)item->fifo[i]; | data = (UINT8)item->fifo[i]; |
| if (item->fifo[i] & 0xff00) { | if (item->fifo[i] & 0xff00) { |
| item->cmd = data; // ver0.29 | item->cmd = data; |
| item->paracb = 0; | item->paracb = 0; |
| if ((data & 0x60) == 0x20) { | if ((data & 0x60) == 0x20) { |
| item->para[GDC_WRITE] = data; | item->para[GDC_WRITE] = data; |
| Line 171 void gdc_work(int id) { | Line 223 void gdc_work(int id) { |
| case CMD_START: | case CMD_START: |
| case CMD_SYNC_ON: | case CMD_SYNC_ON: |
| (*dispflag) |= GDCSCRN_ENABLE | GDCSCRN_ALLDRAW2; | (*dispflag) |= GDCSCRN_ENABLE | GDCSCRN_ALLDRAW2; |
| screenupdate |= 2; // ver0.28 | screenupdate |= 2; |
| break; | break; |
| case CMD_STOP_: | case CMD_STOP_: |
| Line 179 void gdc_work(int id) { | Line 231 void gdc_work(int id) { |
| case CMD_SYNC_OFF: | case CMD_SYNC_OFF: |
| (*dispflag) &= (~GDCSCRN_ENABLE); | (*dispflag) &= (~GDCSCRN_ENABLE); |
| // (*dispflag) |= GDCSCRN_ALLDRAW2; | // (*dispflag) |= GDCSCRN_ALLDRAW2; |
| screenupdate |= 2; // ver0.28 | screenupdate |= 2; |
| break; | break; |
| case CMD_VECTE: | case CMD_VECTE: |
| Line 188 void gdc_work(int id) { | Line 240 void gdc_work(int id) { |
| } | } |
| break; | break; |
| case CMD_TEXTE: // ver0.30 | case CMD_TEXTE: |
| if (id != GDCWORK_MASTER) { | if (id != GDCWORK_MASTER) { |
| textdraw(); | textdraw(); |
| } | } |
| break; | break; |
| } | } |
| item->ptr = gdc_cmd[data].pos; | item->ptr = gdc_cmd[data].pos; |
| item->rcv = gdc_cmd[data].outdatas; | item->rcv = gdc_cmd[data].outdatas; |
| Line 216 void gdc_work(int id) { | Line 267 void gdc_work(int id) { |
| (*dispflag) |= gdc_dirtyflag[id][item->ptr]; | (*dispflag) |= gdc_dirtyflag[id][item->ptr]; |
| } | } |
| (item->ptr)++; | (item->ptr)++; |
| (item->rcv)--; // ver0.29 | (item->rcv)--; |
| if ((!(item->rcv)) && (id == GDCWORK_SLAVE) && | if ((!(item->rcv)) && (id == GDCWORK_SLAVE) && |
| (((item->cmd) & 0xe4) == 0x20)) { | (((item->cmd) & 0xe4) == 0x20)) { |
| gdcsub_write(); | gdcsub_write(); |
| item->paracb = 0; // ver0.29 | item->paracb = 0; |
| } | } |
| } | } |
| } | } |
| Line 234 void gdc_forceready(GDCDATA item) { | Line 285 void gdc_forceready(GDCDATA item) { |
| item->snd = 0; | item->snd = 0; |
| } | } |
| void gdc_updateclock(void) { | |
| UINT vfp; | void gdc_updateclock(void) { |
| UINT vbp; | |
| UINT lf; | |
| UINT vs; | |
| UINT maxy; | |
| UINT cnt; | |
| vfp = gdc.m.para[GDC_SYNC + 5] & 0x3f; | UINT tmp; |
| if (!vfp) { | UINT cr; |
| vfp = 1; | UINT hfbs; |
| } | UINT vfbs; |
| vbp = gdc.m.para[GDC_SYNC + 7] >> 2; | UINT lf; |
| if (!vbp) { | UINT x; |
| vbp = 1; | UINT y; |
| } | UINT cnt; |
| lf = LOADINTELWORD(gdc.m.para + GDC_SYNC + 6); | const GDCCLK *clk; |
| lf &= 0x3ff; | UINT32 hclock; |
| if (!lf) { | |
| lf = 1024; | cr = gdc.m.para[GDC_SYNC + 1] + 2; |
| } | tmp = LOADINTELWORD(gdc.m.para + GDC_SYNC + 2); |
| vs = LOADINTELWORD(gdc.m.para + GDC_SYNC + 4); | hfbs = tmp & 0x1f; // HS |
| vs = (vs >> 5) & 0x1f; | hfbs += tmp >> 10; // HFP |
| if (!vs) { | vfbs = (tmp >> 5) & 0x1f; // VS |
| vs = 1; | hfbs += gdc.m.para[GDC_SYNC + 4] & 0x3f; // HFP |
| } | vfbs += gdc.m.para[GDC_SYNC + 5] & 0x3f; // VFP |
| maxy = lf + vfp + vbp + vs; | tmp = LOADINTELWORD(gdc.m.para + GDC_SYNC + 6); |
| cnt = (pccore.realclock * 5) / 282; | lf = ((tmp - 1) & 0x3ff) + 1; |
| gdc.rasterclock = cnt / maxy; | vfbs += tmp >> 10; // VBP |
| gdc.hsyncclock = (gdc.rasterclock * 4) / 5; | |
| hfbs += 3; | |
| x = cr + hfbs; | |
| if (!vfbs) { | |
| vfbs = 1; | |
| } | |
| y = lf + vfbs; | |
| // TRACEOUT(("h %d:%d / v %d:%d", cr, x, lf, y)); | |
| if (!(gdc.crt15khz & 2)) { // 24.83¡Þ300Hz | |
| clk = gdcclk + 1; | |
| } | |
| else { // 15.98¡Þ300Hz | |
| clk = gdcclk; | |
| } | |
| if (x < clk->minx) { | |
| cr = (clk->minx * cr) / x; | |
| x = clk->minx; | |
| } | |
| else if (x > clk->maxx) { | |
| cr = (clk->maxx * cr) / x; | |
| x = clk->maxx; | |
| } | |
| if (y < clk->miny) { | |
| lf = (clk->miny * lf) / y; | |
| y = clk->miny; | |
| } | |
| else if (y > clk->maxy) { | |
| lf = (clk->maxy * lf) / y; | |
| y = clk->maxy; | |
| } | |
| hclock = clk->clock / x; | |
| cnt = (pccore.baseclock * y) / hclock; | |
| cnt *= pccore.multiple; | |
| gdc.rasterclock = cnt / y; | |
| gdc.hsyncclock = (gdc.rasterclock * cr) / x; | |
| gdc.dispclock = gdc.rasterclock * lf; | gdc.dispclock = gdc.rasterclock * lf; |
| gdc.vsyncclock = cnt - gdc.dispclock; | gdc.vsyncclock = cnt - gdc.dispclock; |
| timing_setrate(y, hclock); | |
| } | } |
| void gdc_restorekacmode(void) { | void gdc_restorekacmode(void) { |
| Line 311 static void IOOUTCALL gdc_o68(UINT port, | Line 393 static void IOOUTCALL gdc_o68(UINT port, |
| REG8 bit; | REG8 bit; |
| if (!(dat & 0xf0)) { // ver0.28 | if (!(dat & 0xf0)) { |
| bit = 1 << ((dat >> 1) & 7); | bit = 1 << ((dat >> 1) & 7); |
| if (dat & 1) { | if (dat & 1) { |
| gdc.mode1 |= bit; | gdc.mode1 |= bit; |
| Line 322 static void IOOUTCALL gdc_o68(UINT port, | Line 404 static void IOOUTCALL gdc_o68(UINT port, |
| if (bit & (0x01 | 0x04 | 0x10)) { | if (bit & (0x01 | 0x04 | 0x10)) { |
| gdcs.grphdisp |= GDCSCRN_ALLDRAW2; | gdcs.grphdisp |= GDCSCRN_ALLDRAW2; |
| } | } |
| else if (bit == 0x02) { // ver0.28 | else if (bit == 0x02) { |
| gdcs.grphdisp |= GDCSCRN_ALLDRAW2; | gdcs.grphdisp |= GDCSCRN_ALLDRAW2; |
| gdcs.palchange = GDCSCRN_REDRAW; | gdcs.palchange = GDCSCRN_REDRAW; |
| } | } |
| Line 414 static void IOOUTCALL gdc_o6e(UINT port, | Line 496 static void IOOUTCALL gdc_o6e(UINT port, |
| switch(dat) { | switch(dat) { |
| case 0: | case 0: |
| gdc.crt15khz = 0; | gdc.crt15khz &= ~1; |
| gdcs.textdisp |= GDCSCRN_ALLDRAW2; | gdcs.textdisp |= GDCSCRN_ALLDRAW2; |
| break; | break; |
| case 1: | case 1: |
| gdc.crt15khz = 1; | gdc.crt15khz |= 1; |
| gdcs.textdisp |= GDCSCRN_ALLDRAW2; | gdcs.textdisp |= GDCSCRN_ALLDRAW2; |
| break; | break; |
| } | } |
| Line 450 static REG8 IOINPCALL gdc_i60(UINT port) | Line 532 static REG8 IOINPCALL gdc_i60(UINT port) |
| else { | else { |
| gdc_work(GDCWORK_MASTER); | gdc_work(GDCWORK_MASTER); |
| } | } |
| #ifdef SEARHC_SYNC | #ifdef SEARCH_SYNC |
| if ((CPU_INPADRS) && (CPU_REMCLOCK >= 5)) { | if ((CPU_INPADRS) && (CPU_REMCLOCK >= 5)) { |
| UINT16 jadr = 0xfa74; | UINT16 jadr = 0xfa74; |
| UINT16 memv; | UINT16 memv; |
| Line 512 static void IOOUTCALL gdc_oa0(UINT port, | Line 594 static void IOOUTCALL gdc_oa0(UINT port, |
| if (gdc.s.cnt < GDCCMD_MAX) { | if (gdc.s.cnt < GDCCMD_MAX) { |
| gdc.s.fifo[gdc.s.cnt++] = dat; | gdc.s.fifo[gdc.s.cnt++] = dat; |
| } | } |
| // TRACEOUT(("GDC-B %.2x", dat)); | // TRACEOUT(("GDC-B %.2x [%.4x:%.4x]", dat, CPU_CS, CPU_IP)); |
| if (gdc.s.paracb) { // ver0.29 | if (gdc.s.paracb) { |
| gdc_work(GDCWORK_SLAVE); | gdc_work(GDCWORK_SLAVE); |
| } | } |
| (void)port; | (void)port; |
| Line 617 static REG8 IOINPCALL gdc_ia0(UINT port) | Line 699 static REG8 IOINPCALL gdc_ia0(UINT port) |
| else { | else { |
| gdc_work(GDCWORK_SLAVE); | gdc_work(GDCWORK_SLAVE); |
| } | } |
| #ifdef SEARHC_SYNC | #ifdef SEARCH_SYNC |
| if ((CPU_INPADRS) && (CPU_REMCLOCK >= 5)) { | if ((CPU_INPADRS) && (CPU_REMCLOCK >= 5)) { |
| UINT16 jadr = 0xfa74; | UINT16 jadr = 0xfa74; |
| UINT16 memv; | UINT16 memv; |
| Line 702 void gdc_reset(void) { | Line 784 void gdc_reset(void) { |
| gdc.m.para[GDC_CSRFORM + 0] = 0x0f; | gdc.m.para[GDC_CSRFORM + 0] = 0x0f; |
| gdc.m.para[GDC_CSRFORM + 1] = 0xc0; | gdc.m.para[GDC_CSRFORM + 1] = 0xc0; |
| gdc.m.para[GDC_CSRFORM + 2] = 0x7b; | gdc.m.para[GDC_CSRFORM + 2] = 0x7b; |
| CopyMemory(gdc.m.para + GDC_SYNC, defsync24, 8); | CopyMemory(gdc.m.para + GDC_SYNC, defsyncm24, 8); |
| gdc.s.para[GDC_CSRFORM + 0] = 1; | gdc.s.para[GDC_CSRFORM + 0] = 1; |
| CopyMemory(gdc.s.para + GDC_SYNC, defsync24, 8); | CopyMemory(gdc.s.para + GDC_SYNC, defsyncs24, 8); |
| } | } |
| else { | else { |
| gdc.crt15khz = 1; | gdc.crt15khz = 3; |
| gdc.mode1 = 0x80; | gdc.mode1 = 0x80; |
| gdc.m.para[GDC_CSRFORM + 0] = 0x07; | gdc.m.para[GDC_CSRFORM + 0] = 0x07; |
| gdc.m.para[GDC_CSRFORM + 1] = 0xc0; | gdc.m.para[GDC_CSRFORM + 1] = 0xc0; |
| gdc.m.para[GDC_CSRFORM + 2] = 0x3b; | gdc.m.para[GDC_CSRFORM + 2] = 0x3b; |
| CopyMemory(gdc.m.para + GDC_SYNC, defsync15, 8); | CopyMemory(gdc.m.para + GDC_SYNC, defsyncm15, 8); |
| CopyMemory(gdc.s.para + GDC_SYNC, defsync15, 8); | CopyMemory(gdc.s.para + GDC_SYNC, defsyncs15, 8); |
| } | } |
| gdc_vectreset(&gdc.m); | |
| gdc_vectreset(&gdc.s); | |
| gdc.clock = 0; | gdc.clock = 0; |
| gdc.m.para[GDC_PITCH] = 80; | gdc.m.para[GDC_PITCH] = 80; |
| Line 724 void gdc_reset(void) { | Line 808 void gdc_reset(void) { |
| gdcs.textdisp = GDCSCRN_ENABLE | GDCSCRN_ALLDRAW2 | GDCSCRN_EXT; | gdcs.textdisp = GDCSCRN_ENABLE | GDCSCRN_ALLDRAW2 | GDCSCRN_EXT; |
| gdcs.grphdisp = GDCSCRN_ALLDRAW2 | GDCSCRN_EXT; | gdcs.grphdisp = GDCSCRN_ALLDRAW2 | GDCSCRN_EXT; |
| gdc.display = (np2cfg.color16 & 1) << 1; | if (np2cfg.color16 & 1) { |
| gdc.s.para[GDC_SYNC] = 0x16; | |
| gdc.display = 2; | |
| } | |
| gdc.bitac = 0xff; | gdc.bitac = 0xff; |
| #if 0 // bind ¤Ç·×»»¤µ¤ì¤ëȦ | |
| gdc.rasterclock = pccore.realclock / 24816; | |
| gdc.hsyncclock = (gdc.rasterclock * 4) / 5; | |
| gdc.dispclock = pccore.realclock * 50 / 3102; | |
| gdc.vsyncclock = pccore.realclock * 5 / 3102; | |
| #endif | |
| } | } |
| void gdc_bind(void) { | void gdc_bind(void) { |