File:
[RetroPC.NET] /
np2 /
vram /
makegrex.c
Revision
1.2:
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Sun Feb 29 16:36:56 2004 JST (21 years, 8 months ago) by
yui
Branches:
MAIN
CVS tags:
VER_0_82_x64,
VER_0_82,
VER_0_81A,
VER_0_81,
VER_0_80,
VER_0_79,
VER_0_78,
VER_0_77,
VER_0_76,
VER_0_75,
HEAD
fix PC-9821 (T.Yui)
#include "compiler.h"
#if defined(SUPPORT_PC9821)
#include "cpucore.h"
#include "pccore.h"
#include "iocore.h"
#include "vram.h"
#include "scrndraw.h"
#include "dispsync.h"
#include "makegrex.h"
typedef struct {
UINT32 *vm;
UINT liney;
UINT pitch;
} _MKGREX, *MKGREX;
static BOOL grphput_indirty0(MKGREX mkgrex, int gpos) {
_MKGREX mg;
UINT vad;
UINT remain;
UINT vc;
UINT32 *p;
UINT32 *pterm;
mg = *mkgrex;
vad = LOADINTELWORD(gdc.s.para + GDC_SCROLL + gpos + 0);
vad = LOW15(vad << 1);
remain = LOADINTELWORD(gdc.s.para + GDC_SCROLL + gpos + 2);
remain = LOW14(remain) >> 4;
while(1) {
vc = vad;
p = mg.vm;
pterm = p + (80 * 2);
do {
if (vramupdate[vc] & 1) {
renewal_line[mg.liney] |= 1;
p[0] = *(UINT32 *)(vramex + (vc * 8) + 0);
p[1] = *(UINT32 *)(vramex + (vc * 8) + 4);
}
vc = LOW15(vc + 1);
p += 2;
} while(p < pterm);
mg.liney++;
if (mg.liney >= dsync.grphymax) {
return(TRUE);
}
mg.vm += 80*2;
remain--;
if (!remain) {
break;
}
vad = LOW15(vad + mg.pitch);
}
mkgrex->vm = mg.vm;
mkgrex->liney = mg.liney;
return(FALSE);
}
static BOOL grphput_all0(MKGREX mkgrex, int gpos) {
_MKGREX mg;
UINT vad;
UINT remain;
UINT vc;
UINT32 *p;
UINT32 *pterm;
mg = *mkgrex;
vad = LOADINTELWORD(gdc.s.para + GDC_SCROLL + gpos + 0);
vad = LOW15(vad << 1);
remain = LOADINTELWORD(gdc.s.para + GDC_SCROLL + gpos + 2);
remain = LOW14(remain) >> 4;
while(1) {
vc = vad;
p = mg.vm;
pterm = p + (80 * 2);
do {
p[0] = *(UINT32 *)(vramex + (vc * 8) + 0);
p[1] = *(UINT32 *)(vramex + (vc * 8) + 4);
vc = LOW15(vc + 1);
p += 2;
} while(p < pterm);
renewal_line[mg.liney] |= 1;
mg.liney++;
if (mg.liney >= dsync.grphymax) {
return(TRUE);
}
mg.vm += 80*2;
remain--;
if (!remain) {
break;
}
vad = LOW15(vad + mg.pitch);
}
mkgrex->vm = mg.vm;
mkgrex->liney = mg.liney;
return(FALSE);
}
static BOOL grphput_indirty1(MKGREX mkgrex, int gpos) {
_MKGREX mg;
UINT vad;
UINT remain;
UINT vc;
UINT32 *p;
UINT32 *pterm;
mg = *mkgrex;
vad = LOADINTELWORD(gdc.s.para + GDC_SCROLL + gpos + 0);
vad = LOW15(vad << 1);
remain = LOADINTELWORD(gdc.s.para + GDC_SCROLL + gpos + 2);
remain = LOW14(remain) >> 4;
while(1) {
vc = vad;
p = mg.vm;
pterm = p + (80 * 2);
do {
if (vramupdate[vc] & 2) {
renewal_line[mg.liney] |= 2;
p[0] = *(UINT32 *)(vramex + 0x40000 + (vc * 8) + 0);
p[1] = *(UINT32 *)(vramex + 0x40000 + (vc * 8) + 4);
}
vc = LOW15(vc + 1);
p += 2;
} while(p < pterm);
mg.liney++;
if (mg.liney >= dsync.grphymax) {
return(TRUE);
}
mg.vm += 80*2;
remain--;
if (!remain) {
break;
}
vad = LOW15(vad + mg.pitch);
}
mkgrex->vm = mg.vm;
mkgrex->liney = mg.liney;
return(FALSE);
}
static BOOL grphput_all1(MKGREX mkgrex, int gpos) {
_MKGREX mg;
UINT vad;
UINT remain;
UINT vc;
UINT32 *p;
UINT32 *pterm;
mg = *mkgrex;
vad = LOADINTELWORD(gdc.s.para + GDC_SCROLL + gpos + 0);
vad = LOW15(vad << 1);
remain = LOADINTELWORD(gdc.s.para + GDC_SCROLL + gpos + 2);
remain = LOW14(remain) >> 4;
while(1) {
vc = vad;
p = mg.vm;
pterm = p + (80 * 2);
do {
p[0] = *(UINT32 *)(vramex + 0x40000 + (vc * 8) + 0);
p[1] = *(UINT32 *)(vramex + 0x40000 + (vc * 8) + 4);
vc = LOW15(vc + 1);
p += 2;
} while(p < pterm);
renewal_line[mg.liney] |= 2;
mg.liney++;
if (mg.liney >= dsync.grphymax) {
return(TRUE);
}
mg.vm += 80*2;
remain--;
if (!remain) {
break;
}
vad = LOW15(vad + mg.pitch);
}
mkgrex->vm = mg.vm;
mkgrex->liney = mg.liney;
return(FALSE);
}
// ---- all
static BOOL grphput_indirty(MKGREX mkgrex, int gpos) {
_MKGREX mg;
UINT vad;
UINT remain;
UINT vc;
UINT32 *p;
UINT32 *pterm;
mg = *mkgrex;
vad = LOADINTELWORD(gdc.s.para + GDC_SCROLL + gpos + 0);
vad = LOW16(vad << 1);
remain = LOADINTELWORD(gdc.s.para + GDC_SCROLL + gpos + 2);
remain = LOW15(remain) >> 4;
while(1) {
vc = vad;
p = mg.vm;
pterm = p + (80 * 2);
do {
if (vramupdate[LOW15(vc)] & 3) {
renewal_line[mg.liney] |= 3;
p[0] = *(UINT32 *)(vramex + (vc * 8) + 0);
p[1] = *(UINT32 *)(vramex + (vc * 8) + 4);
}
vc = LOW16(vc + 1);
p += 2;
} while(p < pterm);
mg.liney++;
if (mg.liney >= dsync.grphymax) {
return(TRUE);
}
mg.vm += 80*2;
remain--;
if (!remain) {
break;
}
vad = LOW16(vad + mg.pitch);
}
mkgrex->vm = mg.vm;
mkgrex->liney = mg.liney;
return(FALSE);
}
static BOOL grphput_all(MKGREX mkgrex, int gpos) {
_MKGREX mg;
UINT vad;
UINT remain;
UINT vc;
UINT32 *p;
UINT32 *pterm;
mg = *mkgrex;
vad = LOADINTELWORD(gdc.s.para + GDC_SCROLL + gpos + 0);
vad = LOW16(vad << 1);
remain = LOADINTELWORD(gdc.s.para + GDC_SCROLL + gpos + 2);
remain = LOW15(remain) >> 4;
while(1) {
vc = vad;
p = mg.vm;
pterm = p + (80 * 2);
do {
p[0] = *(UINT32 *)(vramex + (vc * 8) + 0);
p[1] = *(UINT32 *)(vramex + (vc * 8) + 4);
vc = LOW16(vc + 1);
p += 2;
} while(p < pterm);
renewal_line[mg.liney] |= 3;
mg.liney++;
if (mg.liney >= dsync.grphymax) {
return(TRUE);
}
mg.vm += 80*2;
remain--;
if (!remain) {
break;
}
vad = LOW16(vad + mg.pitch);
}
mkgrex->vm = mg.vm;
mkgrex->liney = mg.liney;
return(FALSE);
}
// ----
void VRAMCALL makegrphex(int page, int alldraw) {
_MKGREX mg;
int i;
BOOL (*grphput)(MKGREX mkgrex, int gpos);
UINT32 mask;
mg.pitch = gdc.s.para[GDC_PITCH];
if (!(gdc.clock & 0x80)) {
mg.pitch <<= 1;
}
mg.pitch &= 0xfe;
mg.liney = dsync.grph_vbp;
if (gdc.analog & 4) {
mg.vm = (UINT32 *)(np2_vram[0] + dsync.grphvad);
grphput = (alldraw)?grphput_all:grphput_indirty;
mask = ~0x03030303;
}
else if (!page) {
mg.vm = (UINT32 *)(np2_vram[0] + dsync.grphvad);
grphput = (alldraw)?grphput_all0:grphput_indirty0;
mask = ~0x01010101;
}
else {
mg.vm = (UINT32 *)(np2_vram[1] + dsync.grphvad);
grphput = (alldraw)?grphput_all1:grphput_indirty1;
mask = ~0x02020202;
}
while(1) {
if ((*grphput)(&mg, 0)) {
break;
}
if ((*grphput)(&mg, 4)) {
break;
}
}
for (i=0; i<0x8000; i+=4) {
*(UINT32 *)(vramupdate + i) &= mask;
}
}
#endif
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