mirror of
https://github.com/libretro/libretro-meowPC98.git
synced 2024-11-27 02:20:32 +00:00
97 lines
1.9 KiB
C
97 lines
1.9 KiB
C
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#include "compiler.h"
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#include "dosio.h"
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#include "cpucore.h"
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#include "font.h"
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#include "fontdata.h"
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#define V98FILESIZE 0x46800
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static void v98knjcpy(UINT8 *dst, const UINT8 *src, int from, int to) {
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int i, j, k;
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const UINT8 *p;
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UINT8 *q;
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for (i=from; i<to; i++) {
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p = src + 0x1800 + (0x60 * 32 * (i - 1));
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q = dst + 0x20000 + (i << 4);
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for (j=0x20; j<0x80; j++) {
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for (k=0; k<16; k++) {
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*(q + 0x800) = *(p+16);
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*q++ = *p++;
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}
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p += 16;
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q += 0x1000 - 16;
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}
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}
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}
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UINT8 fontv98_read(const OEMCHAR *filename, UINT8 loading) {
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FILEH fh;
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UINT8 *v98fnt;
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if (!(loading & FONTLOAD_ALL)) {
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goto frv_err1;
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}
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// <20>t<EFBFBD>@<40>C<EFBFBD><43><EFBFBD><EFBFBD><EFBFBD>I<EFBFBD>[<5B>v<EFBFBD><76>
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fh = file_open_rb(filename);
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if (fh == FILEH_INVALID) {
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goto frv_err1;
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}
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v98fnt = (UINT8 *)_MALLOC(V98FILESIZE, "v98font");
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if (v98fnt == NULL) {
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goto frv_err2;
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}
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// FONT.ROM <20>̓ǂݍ<C782><DD8D><EFBFBD>
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if (file_read(fh, v98fnt, V98FILESIZE) != V98FILESIZE) {
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goto frv_err3;
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}
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// 8x8 <20>t<EFBFBD>H<EFBFBD><48><EFBFBD>g<EFBFBD><67><EFBFBD>ǂޕK<DE95>v<EFBFBD><76><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>H
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if (loading & FONT_ANK8) {
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loading &= ~FONT_ANK8;
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fontdata_ank8store(v98fnt, 0, 256);
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}
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// 8x16 <20>t<EFBFBD>H<EFBFBD><48><EFBFBD>g(<28>`0x7f)<29><><EFBFBD>ǂޕK<DE95>v<EFBFBD><76><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>H
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if (loading & FONT_ANK16a) {
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loading &= ~FONT_ANK16a;
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CopyMemory(fontrom + 0x80000, v98fnt + 0x0800, 16*128);
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}
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// 8x16 <20>t<EFBFBD>H<EFBFBD><48><EFBFBD>g(0x80<38>`)<29><><EFBFBD>ǂޕK<DE95>v<EFBFBD><76><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>H
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if (loading & FONT_ANK16b) {
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loading &= ~FONT_ANK16b;
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CopyMemory(fontrom + 0x80800, v98fnt + 0x1000, 16*128);
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}
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// <20><><EFBFBD>ꐅ<EFBFBD><EA9085><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǂޕK<DE95>v<EFBFBD><76><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>H
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if (loading & FONT_KNJ1) {
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loading &= ~FONT_KNJ1;
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v98knjcpy(fontrom, v98fnt, 0x01, 0x30);
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}
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// <20><><EFBFBD><EFBFBD><F190858F><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǂޕK<DE95>v<EFBFBD><76><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>H
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if (loading & FONT_KNJ2) {
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loading &= ~FONT_KNJ2;
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v98knjcpy(fontrom, v98fnt, 0x30, 0x56);
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}
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// <20>g<EFBFBD><67><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǂޕK<DE95>v<EFBFBD><76><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>H
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if (loading & FONT_KNJ3) {
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loading &= ~FONT_KNJ3;
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v98knjcpy(fontrom, v98fnt, 0x58, 0x5d);
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}
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frv_err3:
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_MFREE(v98fnt);
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frv_err2:
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file_close(fh); // <20><><EFBFBD>n<EFBFBD><6E>
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frv_err1:
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return(loading);
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}
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