MAME
![]() their place are a series of expanded macros and new memory installation helpers. Some mappings below (not all are new): AM_READ(SMH_RAM) -> AM_READONLY AM_WRITE(SMH_RAM) -> AM_WRITEONLY AM_READWRITE(SMH_RAM, SMH_RAM) -> AM_RAM AM_READ(rhandler) AM_WRITE(SMH_RAM) -> AM_RAM_READ(rhandler) AM_READ(SMH_RAM) AM_WRITE(whandler) -> AM_RAM_WRITE(whandler) AM_DEVREAD(tag, rhandler) AM_WRITE(SMH_RAM) -> AM_RAM_DEVREAD(tag, rhandler) AM_READ(SMH_RAM) AM_DEVWRITE(tag, whandler) -> AM_RAM_DEVWRITE(tag, whandler) AM_READ(SMH_ROM) -> AM_ROM AM_WRITE(SMH_ROM) -> (was a no-op) AM_READ(SMH_NOP) -> AM_READNOP AM_WRITE(SMH_NOP) -> AM_WRITENOP AM_READWRITE(SMH_NOP, SMH_NOP) -> AM_NOP For dynamic memory handler installation of the various types, use the new functions: memory_unmap_read() memory_unmap_write() memory_unmap_readwrite() -- unmaps a section of address space memory_nop_read() memory_nop_write() memory_nop_readwrite() -- nops a section of address space Cleaned up the internals of the address_map_entry structure, and also normalized the way the address map macros work to remove a lot of redundancy. |
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