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Unexpected 63 %, still one wrong jump

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This commit is contained in:
jonschz 2025-05-09 14:35:19 +02:00
parent ab766b325a
commit b91f8d37da
1 changed files with 36 additions and 41 deletions
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77
LEGO1/omni/src/video/flic.cpp
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@ -383,8 +383,8 @@ void DecodeSS2(LPBITMAPINFOHEADER p_bitmapHeader, BYTE* p_pixelData, BYTE* p_dat
// LINE: BETA10 0x1013e684 // LINE: BETA10 0x1013e684
row += token; row += token;
row_loop:
while (TRUE) { while (TRUE) {
row_loop:
// LINE: BETA10 0x1013e692 // LINE: BETA10 0x1013e692
token = *(short*) data; token = *(short*) data;
data += 2; data += 2;
@ -392,6 +392,7 @@ void DecodeSS2(LPBITMAPINFOHEADER p_bitmapHeader, BYTE* p_pixelData, BYTE* p_dat
if (token >= 0) { if (token >= 0) {
goto column_loop_2; goto column_loop_2;
} }
// TODO: Can't get this if-check to be quite right. Maybe a union type?
if (token & 0x4000) { if (token & 0x4000) {
goto weird_code; goto weird_code;
} }
@ -405,55 +406,49 @@ void DecodeSS2(LPBITMAPINFOHEADER p_bitmapHeader, BYTE* p_pixelData, BYTE* p_dat
row--; row--;
if (--lines > 0) { if (--lines > 0) {
continue; continue;
// return;
} }
return; return;
// TODO: Something is off about these breaks and jumps -- too many JMP instructions
} }
} }
// }
column_loop_2: column_loop_2:
// LINE: BETA10 0x1013e71e // LINE: BETA10 0x1013e71e
short column = xofs; short column = xofs;
column_loop: column_loop:
column += *data++; column += *data++;
// LINE: BETA10 0x1013e73a // LINE: BETA10 0x1013e73a
short type = *(char*) data++; short type = *(char*) data++;
type += type; type += type;
if (type >= 0) { if (type >= 0) {
WritePixels(p_bitmapHeader, p_pixelData, column, row, (BYTE*) data, type); WritePixels(p_bitmapHeader, p_pixelData, column, row, (BYTE*) data, type);
column += type; column += type;
data += type; data += type;
// LINE: BETA10 0x1013e797 // LINE: BETA10 0x1013e797
if (--token != 0) { if (--token != 0) {
goto column_loop; goto column_loop;
}
row--;
if (--lines > 0) {
goto row_loop;
}
return;
} }
else { row--;
type = -type; if (--lines > 0) {
WORD* p_pixel = (WORD*) data; goto row_loop;
data += 2;
WritePixelPairs(p_bitmapHeader, p_pixelData, column, row, *p_pixel, type >> 1);
column += type;
// LINE: BETA10 0x1013e813
if (--token != 0) {
goto column_loop;
}
row--;
if (--lines > 0) {
goto row_loop;
}
return;
} }
// } return;
}
type = -type;
WORD* p_pixel = (WORD*) data;
data += 2;
WritePixelPairs(p_bitmapHeader, p_pixelData, column, row, *p_pixel, type >> 1);
column += type;
// LINE: BETA10 0x1013e813
if (--token != 0) {
goto column_loop;
}
row--;
if (--lines > 0) {
goto row_loop;
}
} }
// FUNCTION: LEGO1 0x100bdc00 // FUNCTION: LEGO1 0x100bdc00