Mercurial > repos > blastem
diff blastem.c @ 918:2e465934bddc
Allow DMA from cartridge ROM above the 4MB mark. Should probably use get_native_pointer for everyting, but want to check the performance implications
author | Michael Pavone <pavone@retrodev.com> |
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date | Wed, 30 Dec 2015 19:00:03 -0800 |
parents | a5a51465f8b0 |
children | 8bd82aead087 |
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--- a/blastem.c Thu Dec 17 20:41:43 2015 -0800 +++ b/blastem.c Wed Dec 30 19:00:03 2015 -0800 @@ -134,6 +134,11 @@ return cart[address]; } else if(address >= 0x700000) { return ram[address & 0x7FFF]; + } else { + uint16_t *ptr = get_native_pointer(address*2, (void **)genesis->m68k->mem_pointers, &genesis->m68k->options->gen); + if (ptr) { + return *ptr; + } } //TODO: Figure out what happens when you try to DMA from weird adresses like IO or banked Z80 area return 0;