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
#include "compiler.h"
|
||
#include "dosio.h"
|
||
#include "cpucore.h"
|
||
#include "font.h"
|
||
#include "fontdata.h"
|
||
|
||
|
||
#define V98FILESIZE 0x46800
|
||
|
||
static void v98knjcpy(UINT8 *dst, const UINT8 *src, int from, int to) {
|
||
|
||
int i, j, k;
|
||
const UINT8 *p;
|
||
UINT8 *q;
|
||
|
||
for (i=from; i<to; i++) {
|
||
p = src + 0x1800 + (0x60 * 32 * (i - 1));
|
||
q = dst + 0x20000 + (i << 4);
|
||
for (j=0x20; j<0x80; j++) {
|
||
for (k=0; k<16; k++) {
|
||
*(q + 0x800) = *(p+16);
|
||
*q++ = *p++;
|
||
}
|
||
p += 16;
|
||
q += 0x1000 - 16;
|
||
}
|
||
}
|
||
}
|
||
|
||
UINT8 fontv98_read(const OEMCHAR *filename, UINT8 loading) {
|
||
|
||
FILEH fh;
|
||
UINT8 *v98fnt;
|
||
|
||
if (!(loading & FONTLOAD_ALL)) {
|
||
goto frv_err1;
|
||
}
|
||
|
||
// ファイルをオープン
|
||
fh = file_open_rb(filename);
|
||
if (fh == FILEH_INVALID) {
|
||
goto frv_err1;
|
||
}
|
||
|
||
v98fnt = (UINT8 *)_MALLOC(V98FILESIZE, "v98font");
|
||
if (v98fnt == NULL) {
|
||
goto frv_err2;
|
||
}
|
||
|
||
// FONT.ROM の読み込み
|
||
if (file_read(fh, v98fnt, V98FILESIZE) != V98FILESIZE) {
|
||
goto frv_err3;
|
||
}
|
||
|
||
// 8x8 フォントを読む必要がある？
|
||
if (loading & FONT_ANK8) {
|
||
loading &= ~FONT_ANK8;
|
||
fontdata_ank8store(v98fnt, 0, 256);
|
||
}
|
||
// 8x16 フォント(～0x7f)を読む必要がある？
|
||
if (loading & FONT_ANK16a) {
|
||
loading &= ~FONT_ANK16a;
|
||
CopyMemory(fontrom + 0x80000, v98fnt + 0x0800, 16*128);
|
||
}
|
||
// 8x16 フォント(0x80～)を読む必要がある？
|
||
if (loading & FONT_ANK16b) {
|
||
loading &= ~FONT_ANK16b;
|
||
CopyMemory(fontrom + 0x80800, v98fnt + 0x1000, 16*128);
|
||
}
|
||
|
||
// 第一水準漢字を読む必要がある？
|
||
if (loading & FONT_KNJ1) {
|
||
loading &= ~FONT_KNJ1;
|
||
v98knjcpy(fontrom, v98fnt, 0x01, 0x30);
|
||
}
|
||
// 第二水準漢字を読む必要がある？
|
||
if (loading & FONT_KNJ2) {
|
||
loading &= ~FONT_KNJ2;
|
||
v98knjcpy(fontrom, v98fnt, 0x30, 0x56);
|
||
}
|
||
// 拡張漢字を読む必要がある？
|
||
if (loading & FONT_KNJ3) {
|
||
loading &= ~FONT_KNJ3;
|
||
v98knjcpy(fontrom, v98fnt, 0x58, 0x5d);
|
||
}
|
||
|
||
frv_err3:
|
||
_MFREE(v98fnt);
|
||
|
||
frv_err2:
|
||
file_close(fh); // 後始末
|
||
|
||
frv_err1:
|
||
return(loading);
|
||
}
|
||
|