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/* $Id: shiroi_math_mk_i.c 10 2024-08-29 01:39:27Z nishi $ */
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#include "shiroi_math_mk_i.h"
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#include "shiroi.h"
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#include "am9511.h"
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void shiroi_math_mk_i_install(shiroi_t* shiroi, int slot) {
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shiroi->cards[slot].type = SHIROI_MATH_MARK_I;
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shiroi->cards[slot].mathptr = &shiroi->cards[slot].math;
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shiroi->cards[slot].math.am9511 = am_create(0, 0);
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}
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void shiroi_math_mk_i_reset(shiroi_t* shiroi, int slot) { am_reset(shiroi->cards[slot].math.am9511); }
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void shiroi_math_mk_i(shiroi_t* shiroi) {
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int i;
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uint16_t io = Z80_GET_ADDR(shiroi->z80_pins);
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uint16_t addr = io & 0xff;
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uint16_t data = (io >> 8) & 0xff;
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for(i = 0; i < 256 / SHIROI_IO_PORTS; i++) {
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if(shiroi->cards[i].type == SHIROI_MATH_MARK_I) {
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if(shiroi->z80_pins & Z80_RD) {
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/* I/O Read */
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if(addr == 6) {
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Z80_SET_DATA(shiroi->z80_pins, am_pop(shiroi->cards[i].math.am9511));
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} else if(addr == 8) {
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Z80_SET_DATA(shiroi->z80_pins, shiroi->cards[i].type);
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}
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} else if(shiroi->z80_pins & Z80_WR) {
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/* I/O Write */
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if(addr == 6) {
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am_push(shiroi->cards[i].math.am9511, data);
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} else if(addr == 7) {
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am_command(shiroi->cards[i].math.am9511, data);
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}
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}
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}
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}
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}
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void shiroi_math_mk_i_tick(shiroi_t* shiroi) {}
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