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| version 1.16, 2004/02/11 17:39:59 | version 1.23, 2004/02/26 08:44:32 |
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| 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" | #include "timing.h" |
| Line 20 typedef struct { | Line 21 typedef struct { |
| UINT maxy; | UINT maxy; |
| } GDCCLK; | } GDCCLK; |
| // 31kHzの時の動作クロックが不明… | |
| static const GDCCLK gdcclk[] = { | static const GDCCLK gdcclk[] = { |
| {14318180 / 8, 112 - 8, 112 + 8, 200, 300}, | {14318180 / 8, 112 - 8, 112 + 8, 200, 300}, |
| {21052600 / 8, 106 - 6, 106 + 6, 400, 575}, | {21052600 / 8, 106 - 6, 106 + 6, 400, 575}, |
| {25056815 / 8, 106 - 6, 106 + 6, 400, 575}, | {25260000 / 8, 100 - 8, 100 + 8, 400, 575}}; |
| {25175000 / 8, 100 - 4, 100 + 4, 400, 575}}; | |
| static const UINT8 defdegpal[4] = {0x04,0x15,0x26,0x37}; | typedef struct { |
| UINT8 master[8]; | |
| UINT8 slave[8]; | |
| } GDCSYNC; | |
| static const UINT8 defsyncm15[8] = {0x10,0x4e,0x07,0x25,0x0d,0x0f,0xc8,0x94}; | 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 defsyncs15[8] = {0x06,0x26,0x03,0x11,0x86,0x0f,0xc8,0x94}; |
| Line 35 static const UINT8 defsyncs15[8] = {0x06 | Line 39 static const UINT8 defsyncs15[8] = {0x06 |
| static const UINT8 defsyncm24[8] = {0x10,0x4e,0x07,0x25,0x07,0x07,0x90,0x65}; | 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}; | static const UINT8 defsyncs24[8] = {0x06,0x26,0x03,0x11,0x83,0x07,0x90,0x65}; |
| static const UINT8 defsyncm31[8] = {0x10,0x4e,0x47,0x0c,0x07,0x0d,0x90,0x89}; | |
| static const UINT8 defsyncs31[8] = {0x06,0x26,0x41,0x0c,0x83,0x0d,0x90,0x89}; | |
| static const UINT8 defdegpal[4] = {0x04,0x15,0x26,0x37}; | |
| void gdc_setdegitalpal(int color, REG8 value) { | void gdc_setdegitalpal(int color, REG8 value) { |
| Line 113 void gdc_paletteinit(void) { | Line 125 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; |
| Line 126 const GDCVECT *vect; | Line 152 const GDCVECT *vect; |
| ope = gdc.s.para[GDC_WRITE]; | ope = gdc.s.para[GDC_WRITE]; |
| if (vect->ope & 0x08) { | if (vect->ope & 0x08) { |
| gdcsub_line(csrw, vect, textw, ope); | gdcsub_vectl(csrw, vect, textw, ope); |
| } | } |
| if (vect->ope & 0x10) { // undocumented | if (vect->ope & 0x10) { // undocumented |
| gdcsub_txt(csrw, vect, textw, ope); | gdcsub_vectt(csrw, vect, textw, ope); |
| } | } |
| if (vect->ope & 0x20) { | if (vect->ope & 0x20) { |
| gdcsub_circle(csrw, vect, textw, ope); | gdcsub_vectc(csrw, vect, textw, ope); |
| } | } |
| if (vect->ope & 0x40) { | if (vect->ope & 0x40) { |
| gdcsub_box(csrw, vect, textw, ope); | gdcsub_vectr(csrw, vect, textw, ope); |
| } | } |
| gdc_vectreset(&gdc.s); | |
| } | } |
| static void textdraw(void) { | static void textdraw(void) { |
| Line 153 const GDCVECT *vect; | Line 180 const GDCVECT *vect; |
| ope = gdc.s.para[GDC_WRITE]; | ope = gdc.s.para[GDC_WRITE]; |
| if (vect->ope & 0x08) { // undocumented | if (vect->ope & 0x08) { // undocumented |
| gdcsub_line(csrw, vect, textw, ope); | gdcsub_vectl(csrw, vect, textw, ope); |
| } | } |
| if (vect->ope & 0x10) { | if (vect->ope & 0x10) { |
| gdcsub_text(csrw, vect, gdc.s.para + GDC_TEXTW, ope); | gdcsub_text(csrw, vect, gdc.s.para + GDC_TEXTW, ope); |
| } | } |
| if (vect->ope & 0x20) { // undocumented | if (vect->ope & 0x20) { // undocumented |
| gdcsub_circle(csrw, vect, textw, ope); | gdcsub_vectc(csrw, vect, textw, ope); |
| } | } |
| if (vect->ope & 0x40) { // undocumented | if (vect->ope & 0x40) { // undocumented |
| gdcsub_box(csrw, vect, textw, ope); | gdcsub_vectr(csrw, vect, textw, ope); |
| } | } |
| gdc_vectreset(&gdc.s); | |
| } | } |
| void gdc_work(int id) { | void gdc_work(int id) { |
| Line 171 void gdc_work(int id) { | Line 199 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 208 void gdc_work(int id) { | Line 236 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 216 void gdc_work(int id) { | Line 244 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 225 void gdc_work(int id) { | Line 253 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(); |
| } | } |
| Line 252 void gdc_work(int id) { | Line 280 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 264 void gdc_work(int id) { | Line 292 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; |
| } | } |
| Line 378 static void IOOUTCALL gdc_o68(UINT port, | Line 411 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 389 static void IOOUTCALL gdc_o68(UINT port, | Line 422 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 579 static void IOOUTCALL gdc_oa0(UINT port, | Line 612 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 683 static REG8 IOINPCALL gdc_ia0(UINT port) | Line 716 static REG8 IOINPCALL gdc_ia0(UINT port) |
| } | } |
| else { | else { |
| gdc_work(GDCWORK_SLAVE); | gdc_work(GDCWORK_SLAVE); |
| TRACEOUT(("gdc.s.cnt=%d", gdc.s.cnt)); | |
| } | } |
| #ifdef SEARCH_SYNC | #ifdef SEARCH_SYNC |
| if ((CPU_INPADRS) && (CPU_REMCLOCK >= 5)) { | if ((CPU_INPADRS) && (CPU_REMCLOCK >= 5)) { |
| Line 783 void gdc_reset(void) { | Line 815 void gdc_reset(void) { |
| CopyMemory(gdc.m.para + GDC_SYNC, defsyncm15, 8); | CopyMemory(gdc.m.para + GDC_SYNC, defsyncm15, 8); |
| CopyMemory(gdc.s.para + GDC_SYNC, defsyncs15, 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 797 void gdc_reset(void) { | Line 831 void gdc_reset(void) { |
| gdc.display = 2; | gdc.display = 2; |
| } | } |
| gdc.bitac = 0xff; | gdc.bitac = 0xff; |
| #if 0 // bind で計算される筈 | |
| 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) { |