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| version 1.7, 2003/12/21 16:05:25 | version 1.13, 2005/02/04 05:32:24 |
|---|---|
| Line 16 static void cgwindowset(CGROM cr) { | Line 16 static void cgwindowset(CGROM cr) { |
| if (grcg.chip >= 2) { | if (grcg.chip >= 2) { |
| if (!(cr->code & 0xff00)) { | if (!(cr->code & 0xff00)) { |
| high = 0x80000 + (cr->code << 4); | high = 0x80000 + (cr->code << 4); |
| if (!(gdc.mode1 & 8)) { | |
| high += 0x2000; | |
| } | |
| } | } |
| else { | else { |
| code = cr->code & 0x007f; | code = cr->code & 0x007f; |
| Line 24 static void cgwindowset(CGROM cr) { | Line 27 static void cgwindowset(CGROM cr) { |
| cgwindow.writable |= 1; | cgwindow.writable |= 1; |
| high += cr->lr; | high += cr->lr; |
| } | } |
| else if ((code >= 0x09) && (code < 0x0c)) { // ver0.78 | |
| if (cr->lr) { | |
| high = low; | |
| } | |
| } | |
| else if (((code >= 0x0c) && (code < 0x10)) || | else if (((code >= 0x0c) && (code < 0x10)) || |
| ((code >= 0x58) && (code < 0x60))) { | ((code >= 0x58) && (code < 0x60))) { |
| high += cr->lr; | high += cr->lr; |
| } | } |
| else if ((code < 0x08) || (code >= 0x10)) { | else { |
| low = high; | low = high; |
| high += 0x800; | high += 0x800; |
| } | } |
| Line 54 static void IOOUTCALL cgrom_oa1(UINT por | Line 62 static void IOOUTCALL cgrom_oa1(UINT por |
| CGROM cr; | CGROM cr; |
| // TRACEOUT(("%.4x:%.2x [%.4x:%.4x]", port, dat, CPU_CS, CPU_IP)); | |
| cr = &cgrom; | cr = &cgrom; |
| cr->code = (dat << 8) | (cr->code & 0xff); | cr->code = (dat << 8) | (cr->code & 0xff); |
| cgwindowset(cr); | cgwindowset(cr); |
| Line 65 static void IOOUTCALL cgrom_oa3(UINT por | Line 74 static void IOOUTCALL cgrom_oa3(UINT por |
| CGROM cr; | CGROM cr; |
| // TRACEOUT(("%.4x:%.2x [%.4x:%.4x]", port, dat, CPU_CS, CPU_IP)); | |
| cr = &cgrom; | cr = &cgrom; |
| cr->code = (cr->code & 0xff00) | dat; | cr->code = (cr->code & 0xff00) | dat; |
| cgwindowset(cr); | cgwindowset(cr); |
| Line 77 static void IOOUTCALL cgrom_oa5(UINT por | Line 87 static void IOOUTCALL cgrom_oa5(UINT por |
| CGROM cr; | CGROM cr; |
| cr = &cgrom; | cr = &cgrom; |
| cr->line = dat & 0x0f; | cr->line = dat & 0x1f; |
| cr->lr = ((~dat) & 0x20) << 6; | cr->lr = ((~dat) & 0x20) << 6; |
| cgwindowset(cr); | cgwindowset(cr); |
| (void)port; | (void)port; |
| Line 91 static void IOOUTCALL cgrom_oa9(UINT por | Line 101 static void IOOUTCALL cgrom_oa9(UINT por |
| cr = &cgrom; | cr = &cgrom; |
| if ((cr->code & 0x007e) == 0x0056) { | if ((cr->code & 0x007e) == 0x0056) { |
| fontrom[((cr->code & 0x7f7f) << 4) + | fontrom[((cr->code & 0x7f7f) << 4) + |
| cr->lr + cr->line] = (UINT8)dat; | cr->lr + (cr->line & 0x0f)] = (UINT8)dat; |
| cgwindow.writable |= 0x80; | cgwindow.writable |= 0x80; |
| } | } |
| (void)port; | (void)port; |
| Line 101 static REG8 IOINPCALL cgrom_ia9(UINT por | Line 111 static REG8 IOINPCALL cgrom_ia9(UINT por |
| CGROM cr; | CGROM cr; |
| const BYTE *ptr; | const BYTE *ptr; |
| int type; | |
| cr = &cgrom; | cr = &cgrom; |
| ptr = fontrom; | ptr = fontrom; |
| if (cr->code & 0xff00) { | type = cr->code & 0x00ff; |
| if ((type >= 0x09) && (type < 0x0c)) { // ver0.78 | |
| if (!cr->lr) { | |
| ptr += (cr->code & 0x7f7f) << 4; | |
| return(ptr[cr->line & 0x0f]); | |
| } | |
| } | |
| else if (cr->code & 0xff00) { | |
| ptr += (cr->code & 0x7f7f) << 4; | ptr += (cr->code & 0x7f7f) << 4; |
| ptr += cr->lr; | ptr += cr->lr; |
| return(ptr[cr->line & 0x0f]); | |
| } | } |
| else { | else if (!(cr->line & 0x10)) { // Ⱦ³Ñ |
| ptr += 0x80000; | ptr += 0x80000; |
| ptr += cr->code << 4; | ptr += cr->code << 4; |
| return(ptr[cr->line]); | |
| } | } |
| (void)port; | (void)port; |
| return(ptr[cr->line]); | return(0); |
| } | } |