| 1 |
nishi |
1 |
/* $Id: shiroi_math_mk_i.c 1 2024-08-28 08:10:28Z nishi $ */
|
|
|
2 |
#include "shiroi_math_mk_i.h"
|
|
|
3 |
|
|
|
4 |
#include "shiroi.h"
|
|
|
5 |
|
|
|
6 |
#include "am9511.h"
|
|
|
7 |
|
|
|
8 |
void shiroi_math_mk_i_install(shiroi_t* shiroi, int slot) {
|
|
|
9 |
shiroi->cards[slot].type = SHIROI_MATH_MARK_I;
|
|
|
10 |
shiroi->cards[slot].mathptr = &shiroi->cards[slot].math;
|
|
|
11 |
|
|
|
12 |
shiroi->cards[slot].math.am9511 = am_create(0, 0);
|
|
|
13 |
}
|
|
|
14 |
|
|
|
15 |
void shiroi_math_mk_i(shiroi_t* shiroi) {
|
|
|
16 |
int i;
|
|
|
17 |
|
|
|
18 |
uint16_t io = Z80_GET_ADDR(shiroi->z80_pins);
|
|
|
19 |
uint16_t addr = io & 0xff;
|
|
|
20 |
uint16_t data = (io >> 8) & 0xff;
|
|
|
21 |
|
|
|
22 |
for(i = 0; i < 256 / SHIROI_IO_PORTS; i++) {
|
|
|
23 |
if(shiroi->cards[i].type == SHIROI_MATH_MARK_I) {
|
|
|
24 |
if(shiroi->z80_pins & Z80_RD) {
|
|
|
25 |
/* I/O Read */
|
|
|
26 |
if(addr == 6) {
|
|
|
27 |
Z80_SET_DATA(shiroi->z80_pins, am_pop(shiroi->cards[i].math.am9511));
|
|
|
28 |
} else if(addr == 8) {
|
|
|
29 |
Z80_SET_DATA(shiroi->z80_pins, shiroi->cards[i].type);
|
|
|
30 |
}
|
|
|
31 |
} else if(shiroi->z80_pins & Z80_WR) {
|
|
|
32 |
/* I/O Write */
|
|
|
33 |
if(addr == 6) {
|
|
|
34 |
am_push(shiroi->cards[i].math.am9511, data);
|
|
|
35 |
} else if(addr == 7) {
|
|
|
36 |
am_command(shiroi->cards[i].math.am9511, data);
|
|
|
37 |
}
|
|
|
38 |
}
|
|
|
39 |
}
|
|
|
40 |
}
|
|
|
41 |
}
|
|
|
42 |
|
|
|
43 |
void shiroi_math_mk_i_tick(shiroi_t* shiroi) {}
|