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Implemented PIC IRQ latch and delay (per the datasheet), IBM PCjr now works without a workaround delay in cpu/808x.c which was therefore removed; also redid memory and I/O accesses in cpu/808x.c to fix word writes on 8086.

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This commit is contained in:
OBattler
2020-11-17 00:25:28 +01:00
parent 31c697e2a0
commit bf4b5b781f
4 changed files with 146 additions and 77 deletions
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2
src/include/86box/mem.h
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@@ -232,7 +232,9 @@ extern int mem_a20_state,
extern uint8_t read_mem_b(uint32_t addr);
extern uint16_t read_mem_w(uint32_t addr);
extern void write_mem_b(uint32_t addr, uint8_t val);
extern void write_mem_w(uint32_t addr, uint16_t val);
#ifndef USE_NEW_DYNAREC
#define readmemb(a) ((readlookup2[(a)>>12]==-1)?readmembl(a):*(uint8_t *)(readlookup2[(a) >> 12] + (a)))