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partially revived platform support for PSP (unfinished)

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just to have a platform with an unusal screen resolution
- suspend/resume handling probably non-working
- no scaling settings
- no image generation
currently no intentions to finish this.
This commit is contained in:
kub 2021-01-10 12:09:18 +01:00
parent f821bb7011
commit cdc6aac4c0
17 changed files with 961 additions and 2468 deletions
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5
pico/mode4.c
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@ -337,9 +337,12 @@ void PicoDoHighPal555M4(void)
/* cram is always stored as shorts, even though real hardware probably uses bytes */
for (i = 0x20/2; i > 0; i--, spal++, dpal++) {
t = *spal;
#ifdef USE_BGR555
#if defined(USE_BGR555)
t = ((t & 0x00030003)<< 3) | ((t & 0x000c000c)<<6) | ((t & 0x00300030)<<9);
t |= (t >> 2) | ((t >> 4) & 0x04210421);
#elif defined(USE_BGR565)
t = ((t & 0x00030003)<< 3) | ((t & 0x000c000c)<<7) | ((t & 0x00300030)<<10);
t |= (t >> 2) | ((t >> 4) & 0x08610861);
#else
t = ((t & 0x00030003)<<14) | ((t & 0x000c000c)<<7) | ((t & 0x00300030)>>1);
t |= (t >> 2) | ((t >> 4) & 0x08610861);