39 lines
723 B
C
39 lines
723 B
C
/* Copyright holders: Sarah Walker
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see COPYING for more details
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*/
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#include "ibm.h"
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#include "cpu/cpu.h"
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#include "io.h"
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#include "device.h"
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#include "model.h"
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static int acerm3a_index;
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static void acerm3a_write(uint16_t port, uint8_t val, void *p)
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{
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if (port == 0xea)
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acerm3a_index = val;
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}
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static uint8_t acerm3a_read(uint16_t port, void *p)
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{
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if (port == 0xeb)
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{
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switch (acerm3a_index)
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{
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case 2:
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return 0xfd;
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}
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}
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return 0xff;
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}
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void acerm3a_io_init(void)
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{
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io_sethandler(0x00ea, 0x0002, acerm3a_read, NULL, NULL, acerm3a_write, NULL, NULL, NULL);
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}
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