diff options
author | 2009-03-21 19:33:39 +0000 | |
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committer | 2009-03-21 19:33:39 +0000 | |
commit | 663bc8a8cd02b92da172ac53f03ed71f3ba082de (patch) | |
tree | 6e595524ffef0207e192c3cb688ac4a1d8450f39 /src/emu/cpu/sh4/sh4comn.c | |
parent | 6a0e1ddf098621ec8f5e6d41072f4152d780a3e5 (diff) |
fatalerror if the SH4 mmu is turned on.
looks like quite a few NaomiGDs need it.. Ikaruga, Border Down, Senko etc. etc.
Diffstat (limited to 'src/emu/cpu/sh4/sh4comn.c')
-rw-r--r-- | src/emu/cpu/sh4/sh4comn.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/emu/cpu/sh4/sh4comn.c b/src/emu/cpu/sh4/sh4comn.c index a1447684a12..75e0b0fae8f 100644 --- a/src/emu/cpu/sh4/sh4comn.c +++ b/src/emu/cpu/sh4/sh4comn.c @@ -641,6 +641,12 @@ WRITE32_HANDLER( sh4_internal_w ) switch( offset ) { + case MMUCR: // MMU Control + if (data & 1) + fatalerror("SH4: MMUCR write enables MMU\n"); + + break; + // Memory refresh case RTCSR: sh4->m[RTCSR] &= 255; |