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| version 1.11, 2004/01/13 05:30:58 | version 1.22, 2004/02/21 00:25:33 |
|---|---|
| Line 3 | Line 3 |
| #include "cpucore.h" | #include "cpucore.h" |
| #include "pccore.h" | #include "pccore.h" |
| #include "iocore.h" | #include "iocore.h" |
| #include "gdc_cmd.tbl" | |
| #include "gdc_sub.h" | |
| #include "vram.h" | #include "vram.h" |
| #include "palettes.h" | #include "palettes.h" |
| #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 defsync[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 93 void gdc_paletteinit(void) { | Line 113 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; | |
| if (gdc.s.para[GDC_VECTW] & 0x10) { | 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 = gdc.s.para[GDC_TEXTW + 7]; |
| gdcsub_text(csrw, (GDCVECT *)(gdc.s.para + GDC_VECTW), | textw = (textw << 8) + textw; |
| textw, gdc.s.para[GDC_WRITE]); | ope = gdc.s.para[GDC_WRITE]; |
| if (vect->ope & 0x08) { // undocumented | |
| gdcsub_vectl(csrw, vect, textw, ope); | |
| } | |
| 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 133 void gdc_work(int id) { | Line 187 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 170 void gdc_work(int id) { | Line 224 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: | case CMD_STOP: |
| 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 186 void gdc_work(int id) { | Line 241 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 214 void gdc_work(int id) { | Line 268 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 226 void gdc_work(int id) { | Line 280 void gdc_work(int id) { |
| } | } |
| // BIOSとかで弄った時にリセット | // BIOSとかで弄った時にリセット |
| void gdc_forceready(GDCDATA item) { | void gdc_forceready(int id) { |
| GDCDATA item; | |
| item = (id == GDCWORK_MASTER)?&gdc.m:&gdc.s; | |
| if (item->cnt) { | |
| gdc_work(id); | |
| } | |
| item->rcv = 0; | item->rcv = 0; |
| item->snd = 0; | item->snd = 0; |
| } | } |
| void gdc_updateclock(void) { | |
| UINT tmp; | |
| UINT cr; | |
| UINT hfbs; | |
| UINT vfbs; | |
| UINT lf; | |
| UINT x; | |
| UINT y; | |
| UINT cnt; | |
| const GDCCLK *clk; | |
| UINT32 hclock; | |
| cr = gdc.m.para[GDC_SYNC + 1] + 2; | |
| tmp = LOADINTELWORD(gdc.m.para + GDC_SYNC + 2); | |
| hfbs = tmp & 0x1f; // HS | |
| hfbs += tmp >> 10; // HFP | |
| vfbs = (tmp >> 5) & 0x1f; // VS | |
| hfbs += gdc.m.para[GDC_SYNC + 4] & 0x3f; // HFP | |
| vfbs += gdc.m.para[GDC_SYNC + 5] & 0x3f; // VFP | |
| tmp = LOADINTELWORD(gdc.m.para + GDC_SYNC + 6); | |
| lf = ((tmp - 1) & 0x3ff) + 1; | |
| vfbs += tmp >> 10; // VBP | |
| 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±300Hz | |
| clk = gdcclk + 1; | |
| } | |
| else { // 15.98±300Hz | |
| 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.vsyncclock = cnt - gdc.dispclock; | |
| timing_setrate(y, hclock); | |
| } | |
| void gdc_restorekacmode(void) { | void gdc_restorekacmode(void) { |
| BYTE bit; | BYTE bit; |
| Line 274 static void IOOUTCALL gdc_o68(UINT port, | Line 399 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 285 static void IOOUTCALL gdc_o68(UINT port, | Line 410 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; |
| } | } |
| else if (bit == 0x08) { | |
| gdcs.textdisp |= GDCSCRN_ALLDRAW2; | |
| } | |
| else if (bit == 0x20) { | else if (bit == 0x20) { |
| gdc_restorekacmode(); | gdc_restorekacmode(); |
| } | } |
| Line 370 static void IOOUTCALL gdc_o6a(UINT port, | Line 498 static void IOOUTCALL gdc_o6a(UINT port, |
| (void)port; | (void)port; |
| } | } |
| static void IOOUTCALL gdc_o6e(UINT port, REG8 dat) { | |
| switch(dat) { | |
| case 0: | |
| gdc.crt15khz &= ~1; | |
| gdcs.textdisp |= GDCSCRN_ALLDRAW2; | |
| break; | |
| case 1: | |
| gdc.crt15khz |= 1; | |
| gdcs.textdisp |= GDCSCRN_ALLDRAW2; | |
| break; | |
| } | |
| (void)port; | |
| } | |
| static REG8 IOINPCALL gdc_i60(UINT port) { | static REG8 IOINPCALL gdc_i60(UINT port) { |
| REG8 ret; | REG8 ret; |
| Line 378 static REG8 IOINPCALL gdc_i60(UINT port) | Line 522 static REG8 IOINPCALL gdc_i60(UINT port) |
| ret = 0x80 | gdc.vsync; // | m_drawing; | ret = 0x80 | gdc.vsync; // | m_drawing; |
| remain = nevent_getremain(NEVENT_FLAMES); | remain = nevent_getremain(NEVENT_FLAMES); |
| if (remain >= 0) { | if (remain >= 0) { |
| if ((remain % pccore.raster) < pccore.hsync) { | if ((remain % gdc.rasterclock) < gdc.hsyncclock) { |
| ret |= 0x40; | ret |= 0x40; |
| } | } |
| } | } |
| Line 394 static REG8 IOINPCALL gdc_i60(UINT port) | Line 538 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 456 static void IOOUTCALL gdc_oa0(UINT port, | Line 600 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 545 static REG8 IOINPCALL gdc_ia0(UINT port) | Line 689 static REG8 IOINPCALL gdc_ia0(UINT port) |
| ret = 0x80 | gdc.vsync | gdc.s_drawing; | ret = 0x80 | gdc.vsync | gdc.s_drawing; |
| remain = nevent_getremain(NEVENT_FLAMES); | remain = nevent_getremain(NEVENT_FLAMES); |
| if (remain >= 0) { | if (remain >= 0) { |
| if ((remain % pccore.raster) < (pccore.hsync)) { | if ((remain % gdc.rasterclock) < (gdc.hsyncclock)) { |
| ret |= 0x40; | ret |= 0x40; |
| } | } |
| } | } |
| Line 561 static REG8 IOINPCALL gdc_ia0(UINT port) | Line 705 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 622 static REG8 IOINPCALL gdc_ia6(UINT port) | Line 766 static REG8 IOINPCALL gdc_ia6(UINT port) |
| static const IOOUT gdco60[8] = { | static const IOOUT gdco60[8] = { |
| gdc_o60, gdc_o62, gdc_o64, NULL, | gdc_o60, gdc_o62, gdc_o64, NULL, |
| gdc_o68, gdc_o6a, NULL, NULL}; | gdc_o68, gdc_o6a, NULL, gdc_o6e}; |
| static const IOOUT gdcoa0[8] = { | static const IOOUT gdcoa0[8] = { |
| gdc_oa0, gdc_oa2, gdc_oa4, gdc_oa6, | gdc_oa0, gdc_oa2, gdc_oa4, gdc_oa6, |
| Line 641 void gdc_reset(void) { | Line 785 void gdc_reset(void) { |
| ZeroMemory(&gdc, sizeof(gdc)); | ZeroMemory(&gdc, sizeof(gdc)); |
| ZeroMemory(&gdcs, sizeof(gdcs)); | ZeroMemory(&gdcs, sizeof(gdcs)); |
| gdc.mode1 = 0x98; | if (!(np2cfg.dipsw[0] & 0x01)) { |
| gdc.mode1 = 0x98; | |
| 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, defsync, 8); | CopyMemory(gdc.m.para + GDC_SYNC, defsyncm24, 8); |
| CopyMemory(gdc.s.para + GDC_SYNC, defsync, 8); | gdc.s.para[GDC_CSRFORM + 0] = 1; |
| CopyMemory(gdc.s.para + GDC_SYNC, defsyncs24, 8); | |
| } | |
| else { | |
| gdc.crt15khz = 3; | |
| gdc.mode1 = 0x80; | |
| gdc.m.para[GDC_CSRFORM + 0] = 0x07; | |
| gdc.m.para[GDC_CSRFORM + 1] = 0xc0; | |
| gdc.m.para[GDC_CSRFORM + 2] = 0x3b; | |
| CopyMemory(gdc.m.para + GDC_SYNC, defsyncm15, 8); | |
| CopyMemory(gdc.s.para + GDC_SYNC, defsyncs15, 8); | |
| } | |
| gdc_vectreset(&gdc.m); | |
| gdc_vectreset(&gdc.s); | |
| gdc.s.para[GDC_CSRFORM] = 1; | |
| gdc.clock = 0; | gdc.clock = 0; |
| gdc.m.para[GDC_PITCH] = 80; // ver0.26 | gdc.m.para[GDC_PITCH] = 80; |
| gdc.s.para[GDC_PITCH] = 40; | gdc.s.para[GDC_PITCH] = 40; |
| gdc_paletteinit(); | gdc_paletteinit(); |
| 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; |
| } | } |
| void gdc_bind(void) { | void gdc_bind(void) { |
| gdc_updateclock(); | |
| iocore_attachsysoutex(0x0060, 0x0cf1, gdco60, 8); | iocore_attachsysoutex(0x0060, 0x0cf1, gdco60, 8); |
| iocore_attachsysinpex(0x0060, 0x0cf1, gdci60, 8); | iocore_attachsysinpex(0x0060, 0x0cf1, gdci60, 8); |
| iocore_attachsysoutex(0x00a0, 0x0cf1, gdcoa0, 8); | iocore_attachsysoutex(0x00a0, 0x0cf1, gdcoa0, 8); |