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| version 1.1.1.1, 2003/10/16 17:57:50 | version 1.10, 2004/03/30 07:12:03 |
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| Line 1 | Line 1 |
| #include "compiler.h" | #include "compiler.h" |
| #include "dosio.h" | #include "cpucore.h" |
| #include "pccore.h" | #include "pccore.h" |
| #include "iocore.h" | #include "iocore.h" |
| #include "memory.h" | |
| #include "font.h" | #include "font.h" |
| static void cgwindowset(CGROM cr) { | static void cgwindowset(CGROM cr) { |
| UINT low; | |
| UINT high; | |
| int code; | int code; |
| cgwindow.low = 0x7fff0; | |
| cgwindow.writable &= ~1; | cgwindow.writable &= ~1; |
| low = 0x7fff0; | |
| if (grcg.chip >= 2) { | if (grcg.chip >= 2) { |
| if (!(cr->code & 0xff00)) { | if (!(cr->code & 0xff00)) { |
| cgwindow.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; |
| cgwindow.high = (cr->code & 0x7f7f) << 4; | high = (cr->code & 0x7f7f) << 4; |
| if ((code >= 0x56) && (code < 0x58)) { | if ((code >= 0x56) && (code < 0x58)) { |
| cgwindow.writable |= 1; | cgwindow.writable |= 1; |
| cgwindow.high += cr->lr; | high += cr->lr; |
| } | |
| else if ((code >= 0x08) && (code < 0x0c)) { | |
| 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))) { |
| cgwindow.high += cr->lr; | high += cr->lr; |
| } | } |
| else if ((code < 0x08) || (code >= 0x10)) { | else { |
| cgwindow.low = cgwindow.high; | low = high; |
| cgwindow.high += 0x800; | high += 0x800; |
| } | } |
| } | } |
| } | } |
| else { | else { |
| cgwindow.high = cgwindow.low; | high = low; |
| } | } |
| #if !defined(CGWND_FONTPTR) | |
| cgwindow.low = low; | |
| cgwindow.high = high; | |
| #else | |
| cgwindow.fontlow = fontrom + low; | |
| cgwindow.fonthigh = fontrom + high; | |
| #endif | |
| } | } |
| // ---- I/O | // ---- I/O |
| // write charactor code low | // write charactor code low |
| static void IOOUTCALL cgrom_oa1(UINT port, BYTE dat) { | static void IOOUTCALL cgrom_oa1(UINT port, REG8 dat) { |
| CGROM cr; | CGROM cr; |
| Line 53 static void IOOUTCALL cgrom_oa1(UINT por | Line 69 static void IOOUTCALL cgrom_oa1(UINT por |
| } | } |
| // write charactor code high | // write charactor code high |
| static void IOOUTCALL cgrom_oa3(UINT port, BYTE dat) { | static void IOOUTCALL cgrom_oa3(UINT port, REG8 dat) { |
| CGROM cr; | CGROM cr; |
| Line 64 static void IOOUTCALL cgrom_oa3(UINT por | Line 80 static void IOOUTCALL cgrom_oa3(UINT por |
| } | } |
| // write charactor line | // write charactor line |
| static void IOOUTCALL cgrom_oa5(UINT port, BYTE dat) { | static void IOOUTCALL cgrom_oa5(UINT port, REG8 dat) { |
| 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; |
| } | } |
| // CG write pattern | // CG write pattern |
| static void IOOUTCALL cgrom_oa9(UINT port, BYTE dat) { | static void IOOUTCALL cgrom_oa9(UINT port, REG8 dat) { |
| CGROM cr; | CGROM cr; |
| cr = &cgrom; | cr = &cgrom; |
| if ((cr->code & 0x007e) == 0x0056) { | if ((cr->code & 0x007e) == 0x0056) { |
| font[((cr->code & 0x7f7f) << 4) + | fontrom[((cr->code & 0x7f7f) << 4) + |
| cr->lr + cr->line] = dat; | cr->lr + (cr->line & 0x0f)] = (UINT8)dat; |
| cgwindow.writable |= 0x80; | cgwindow.writable |= 0x80; |
| } | } |
| (void)port; | (void)port; |
| } | } |
| static BYTE IOINPCALL cgrom_ia9(UINT port) { | static REG8 IOINPCALL cgrom_ia9(UINT port) { |
| CGROM cr; | CGROM cr; |
| BYTE *ptr; | const BYTE *ptr; |
| cr = &cgrom; | cr = &cgrom; |
| ptr = font; | ptr = fontrom; |
| if (cr->code & 0xff00) { | if ((cr->code & 0x00fc) == 0x0008) { |
| // 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); |
| } | } |
| Line 125 void cgrom_reset(void) { | Line 149 void cgrom_reset(void) { |
| cgw = &cgwindow; | cgw = &cgwindow; |
| ZeroMemory(cgw, sizeof(cgrom)); | ZeroMemory(cgw, sizeof(cgrom)); |
| #if !defined(CGWND_FONTPTR) | |
| cgw->low = 0x7fff0; | cgw->low = 0x7fff0; |
| cgw->high = 0x7fff0; | cgw->high = 0x7fff0; |
| #else | |
| cgw->fontlow = fontrom + 0x7fff0; | |
| cgw->fonthigh = fontrom + 0x7fff0; | |
| #endif | |
| cgw->writable = 0; | cgw->writable = 0; |
| } | } |