From f01759de2aca10619ab74e6f2cda92a7799e6234 Mon Sep 17 00:00:00 2001 From: notaz Date: Sun, 10 Jan 2016 02:36:04 +0200 Subject: [PATCH] handle another palette write --- loader/emu.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/loader/emu.c b/loader/emu.c index d142611..313bd06 100644 --- a/loader/emu.c +++ b/loader/emu.c @@ -643,10 +643,10 @@ static void xwrite16(u32 a, u32 d) } mmsp2.old_mlc_stl_adr = mmsp2.mlc_stl_adr; return; - case 0x2958: + case 0x2958: // MLC_STL_PALLT_A mmsp2.mlc_stl_pallt_a = d & 0x1ff; return; - case 0x295a: + case 0x295a: // MLC_STL_PALLT_D mmsp2.mlc_stl_pallt_d[mmsp2.mlc_stl_pallt_a++] = d; mmsp2.mlc_stl_pallt_a &= 0x1ff; mmsp2.v.dirty_pal = DIRTY_PAL_MMSP2; @@ -663,6 +663,14 @@ static void xwrite32(u32 a, u32 d) if ((a & 0xfff00000) == 0x7f000000) { u32 a_ = a & 0xffff; switch (a_) { + // GP2X + case 0x295a: // MLC_STL_PALLT_D + // special unaligned 32bit write, allegro seems to rely on it + mmsp2.mlc_stl_pallt_d[mmsp2.mlc_stl_pallt_a++ & 0x1ff] = d; + mmsp2.mlc_stl_pallt_d[mmsp2.mlc_stl_pallt_a++ & 0x1ff] = d >> 16; + mmsp2.mlc_stl_pallt_a &= 0x1ff; + mmsp2.v.dirty_pal = DIRTY_PAL_MMSP2; + return; // Wiz case 0x4024: // MLCCONTROL0 case 0x4058: // MLCCONTROL1 -- 2.39.2