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Memory mappings can now specify to ignore some address bits, fixes some Cirrus Logic drivers for Windows 3.1x freezing.

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This commit is contained in:
OBattler
2024-12-18 01:19:50 +01:00
parent 11b588c6bb
commit 80a0c48785
3 changed files with 51 additions and 26 deletions
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2
src/include/86box/mem.h
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@@ -179,6 +179,7 @@ typedef struct _mem_mapping_ {
uint32_t base;
uint32_t size;
uint32_t base_ignore;
uint32_t mask;
uint8_t (*read_b)(uint32_t addr, void *priv);
@@ -400,6 +401,7 @@ extern void mem_mapping_set_p(mem_mapping_t *, void *priv);
extern void mem_mapping_set_addr(mem_mapping_t *,
uint32_t base, uint32_t size);
extern void mem_mapping_set_base_ignore(mem_mapping_t *, uint32_t base_ignore);
extern void mem_mapping_set_exec(mem_mapping_t *, uint8_t *exec);
extern void mem_mapping_set_mask(mem_mapping_t *, uint32_t mask);
extern void mem_mapping_disable(mem_mapping_t *);