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MAP TO-SNAP extension is only relevant for MO6 TO8/TO9

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Thomas Bernard 2018-11-18 00:23:38 +01:00
parent 8354c548a0
commit 9dddfd5775
1 changed files with 50 additions and 47 deletions
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97
src/miscfileformats.c
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@ -6104,57 +6104,60 @@ void Save_MOTO(T_IO_Context * context)
packed_data[i++] = 0; packed_data[i++] = 0;
break; break;
} }
// add TO-SNAP extension
// see http://collection.thomson.free.fr/code/articles/prehisto_bulletin/page.php?XI=0&XJ=13
if (i&1) // align if (i&1) // align
packed_data[i++] = 0; packed_data[i++] = 0;
// bytes 0-1 : Hardware video mode (value of SCRMOD 0x605F) if (machine != MACHINE_TO7 && machine != MACHINE_TO770 && machine != MACHINE_MO5)
packed_data[i++] = 0;
switch (mode)
{ {
case MOTO_MODE_40col: // add TO-SNAP extension
packed_data[i++] = 0; // see http://collection.thomson.free.fr/code/articles/prehisto_bulletin/page.php?XI=0&XJ=13
break; // bytes 0-1 : Hardware video mode (value of SCRMOD 0x605F)
case MOTO_MODE_bm4: packed_data[i++] = 0;
packed_data[i++] = 0x01; switch (mode)
break; {
case MOTO_MODE_80col: case MOTO_MODE_40col:
packed_data[i++] = 0x40; packed_data[i++] = 0;
break; break;
case MOTO_MODE_bm16: case MOTO_MODE_bm4:
packed_data[i++] = 0x80; packed_data[i++] = 0x01;
break; break;
case MOTO_MODE_80col:
packed_data[i++] = 0x40;
break;
case MOTO_MODE_bm16:
packed_data[i++] = 0x80;
break;
}
// bytes 2-3 : Border color
packed_data[i++] = 0;
packed_data[i++] = 0;
// bytes 4-5 : BASIC video mode (CONSOLE,,,,X)
packed_data[i++] = 0;
switch (mode)
{
case MOTO_MODE_40col:
packed_data[i++] = 0;
break;
case MOTO_MODE_bm4:
packed_data[i++] = 2;
break;
case MOTO_MODE_80col:
packed_data[i++] = 1;
break;
case MOTO_MODE_bm16:
packed_data[i++] = 3;
break;
}
// bytes 6-37 : BGR palette
for (x = 0; x < 16; x++)
{
word bgr = MOTO_gamma_correct_RGB_to_MOTO(context->Palette + x);
packed_data[i++] = bgr >> 8;
packed_data[i++] = bgr & 0xff;
}
// bytes 38-39 : TO-SNAP signature
packed_data[i++] = 0xA5;
packed_data[i++] = 0x5A;
} }
// bytes 2-3 : Border color
packed_data[i++] = 0;
packed_data[i++] = 0;
// bytes 4-5 : BASIC video mode (CONSOLE,,,,X)
packed_data[i++] = 0;
switch (mode)
{
case MOTO_MODE_40col:
packed_data[i++] = 0;
break;
case MOTO_MODE_bm4:
packed_data[i++] = 2;
break;
case MOTO_MODE_80col:
packed_data[i++] = 1;
break;
case MOTO_MODE_bm16:
packed_data[i++] = 3;
break;
}
// bytes 6-37 : BGR palette
for (x = 0; x < 16; x++)
{
word bgr = MOTO_gamma_correct_RGB_to_MOTO(context->Palette + x);
packed_data[i++] = bgr >> 8;
packed_data[i++] = bgr & 0xff;
}
// bytes 38-39 : TO-SNAP signature
packed_data[i++] = 0xA5;
packed_data[i++] = 0x5A;
free(unpacked_data); free(unpacked_data);