31 lines
530 B
C
31 lines
530 B
C
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/*
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0xE1 and 0xE2 Memory Registers
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Used by just about any emulated machine
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*/
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#include "ibm.h"
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#include "io.h"
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#include "memregs.h"
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static uint8_t mem_regs[2] = {0xFF, 0xFF};
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void memregs_write(uint16_t port, uint8_t val, void *priv)
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{
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mem_regs[port - 0xE1] = val;
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}
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uint8_t memregs_read(uint16_t port, void *priv)
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{
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return mem_regs[port - 0xE1];
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}
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void memregs_init()
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{
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int i = 0;
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pclog("Memory Registers Init\n");
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io_sethandler(0x00e1, 0x0002, memregs_read, NULL, NULL, memregs_write, NULL, NULL, NULL);
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}
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