Mercurial > repos > blastem
view memmap.h @ 2321:2eda5f81f91e
More fully baked ROM db support for SMS
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 15 Jun 2023 09:36:11 -0700 |
parents | 9caebcfeac72 |
children |
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#ifndef MEMMAP_H_ #define MEMMAP_H_ typedef enum { READ_16, READ_8, WRITE_16, WRITE_8 } ftype; #define MMAP_READ 0x01 #define MMAP_WRITE 0x02 #define MMAP_CODE 0x04 #define MMAP_PTR_IDX 0x08 #define MMAP_ONLY_ODD 0x10 #define MMAP_ONLY_EVEN 0x20 #define MMAP_FUNC_NULL 0x40 #define MMAP_BYTESWAP 0x80 #define MMAP_AUX_BUFF 0x100 #define MMAP_READ_CODE 0x200 typedef uint16_t (*read_16_fun)(uint32_t address, void * context); typedef uint8_t (*read_8_fun)(uint32_t address, void * context); typedef void * (*write_16_fun)(uint32_t address, void * context, uint16_t value); typedef void * (*write_8_fun)(uint32_t address, void * context, uint8_t value); typedef struct { uint32_t start; uint32_t end; uint32_t mask; uint32_t aux_mask; int32_t shift; uint16_t ptr_index; uint16_t flags; void * buffer; read_16_fun read_16; write_16_fun write_16; read_8_fun read_8; write_8_fun write_8; } memmap_chunk; #endif //MEMMAP_H_