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/* $Id: shiroi_text_mk_i.c 6 2024-08-28 10:29:32Z nishi $ */
#include "shiroi_text_mk_i.h"
#include "shiroi.h"
#include <stdlib.h>
void shiroi_text_mk_i_install(shiroi_t* shiroi, int slot) {
shiroi->cards[slot].type = SHIROI_TEXT_MARK_I;
shiroi->cards[slot].textptr = &shiroi->cards[slot].text;
shiroi->cards[slot].text.key = 0;
shiroi->cards[slot].text.caps = false;
}
void shiroi_text_mk_i(shiroi_t* shiroi) {
int i;
uint16_t io = Z80_GET_ADDR(shiroi->z80_pins);
uint16_t addr = io & 0xff;
uint16_t data = (io >> 8) & 0xff;
for(i = 0; i < 256 / SHIROI_IO_PORTS; i++) {
if(shiroi->cards[i].type == SHIROI_TEXT_MARK_I) {
if(shiroi->z80_pins & Z80_RD) {
/* I/O Read */
if(addr == 9) {
Z80_SET_DATA(shiroi->z80_pins, shiroi->cards[i].text.key);
} else if(addr == 11) {
Z80_SET_DATA(shiroi->z80_pins, shiroi->cards[i].type);
}
} else if(shiroi->z80_pins & Z80_WR) {
/* I/O Write */
}
}
}
}
void shiroi_text_mk_i_tick(shiroi_t* shiroi) {}