Subversion Repositories Shiroi

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/* $Id: shiroi_debug.c 29 2024-08-31 17:41:43Z nishi $ */
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#include "shiroi_debug.h"
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#include "shiroi.h"
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#include <stdlib.h>
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void shiroi_debug_install(shiroi_t* shiroi, int slot) {
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	shiroi->cards[slot].type = SHIROI_DEBUG;
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	shiroi->cards[slot].debugptr = &shiroi->cards[slot].debug;
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	int i;
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	for(i = 0; i < 4; i++) shiroi->cards[slot].debug.latch[i] = 0xff;
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}
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void shiroi_debug_reset(shiroi_t* shiroi, int slot) {
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	int i;
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	for(i = 0; i < 4; i++) shiroi->cards[slot].debug.latch[i] = 0xff;
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}
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void shiroi_debug(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_DEBUG) {
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			if(shiroi->z80_pins & Z80_RD) {
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				/* I/O Read */
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				if(addr == 14) {
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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 == 12) {
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					shiroi->cards[i].debug.latch_addr = data;
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				} else if(addr == 13) {
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					shiroi->cards[i].debug.latch[shiroi->cards[i].debug.latch_addr] = 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_debug_tick(shiroi_t* shiroi) {}