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version 1.14, 2004/08/13 02:16:33
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version 1.16, 2004/08/17 14:46:37
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Line 41 static REG8 getportb(void) {
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Line 41 static REG8 getportb(void) {
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| |
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| static void setportc(REG8 dat) { |
static void setportc(REG8 dat) { |
| |
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| REG8 oldc; |
REG8 modify; |
| UINT8 xl; |
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| |
|
| oldc = ppi.portc; |
modify = ppi.portc ^ dat; |
| if (crtc.s.reg[CRTCREG_HDISP] == 40) { |
|
| oldc |= 0x40; |
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| } |
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| else { |
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| oldc &= ~0x40; |
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| } |
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| ppi.portc = dat; |
ppi.portc = dat; |
| |
|
| // cmt_write((REG8)(dat & 1)); |
// cmt_write((REG8)(dat & 1)); |
| if ((oldc & 0x20) && (!(dat & 0x20))) { |
if ((modify & 0x20) && (!(dat & 0x20))) { |
| iocore.s.mode = 1; |
iocore.s.mode = 1; |
| } |
} |
| |
if (modify & 0x40) { |
| |
crtc_setwidth((REG8)(dat & 0x40)); |
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} |
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#if 0 |
| xl = ((dat & 0x40)?40:80); |
xl = ((dat & 0x40)?40:80); |
| if (crtc.s.reg[CRTCREG_HDISP] != xl) { |
if (crtc.s.reg[CRTCREG_HDISP] != xl) { |
| crtc.s.reg[CRTCREG_HDISP] = (UINT8)xl; |
crtc.s.reg[CRTCREG_HDISP] = (UINT8)xl; |
| crtc_bankupdate(); |
crtc_bankupdate(); |
| scrnallflash = 1; |
scrnallflash = 1; |
| } |
} |
| |
#endif |
| } |
} |
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Line 119 REG8 IOINPCALL ppi_i(UINT port) {
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Line 116 REG8 IOINPCALL ppi_i(UINT port) {
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| return(getportb()); |
return(getportb()); |
| |
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| case 2: |
case 2: |
| #if 1 |
// mode? |
| if (crtc.s.reg[CRTCREG_HDISP] == 40) { |
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| ppi.portc |= 0x40; |
|
| } |
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| else { |
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| ppi.portc &= ~0x40; |
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| } |
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| #endif |
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| return(ppi.portc); |
return(ppi.portc); |
| |
|
| case 3: |
case 3: |
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