1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
#include <agbx/key.h>
#include <agbx/gfx.h>
agbx_err agbx_main(void) {
agbx_set10(0x4000000u,0x403u);
struct {
agbx_i8 x;
agbx_i8 y;
} pos = {.x = 0x0u,.y = 0x0u,};
agbx_setpx2(0x0u,0xFFFFu);
for (;;) {
agbx_keymap const keymap = agbx_getkeymap();
if (agbx_chkkey(keymap,agbx_key_b)) {
return (agbx_err)(((agbx_i10)pos.x + (agbx_i10)pos.y)/0x2u);
}
if (agbx_chkkey(keymap,agbx_key_a)) {
return agbx_err_ok;
}
typeof (pos) const prevpos = pos;
agbx_key key;
if (agbx_chkkey(keymap,agbx_key_pade)) {
if (pos.x != 0xEFu) {
key = agbx_key_pade;
++pos.x;
goto drw;
}
}
if (agbx_chkkey(keymap,agbx_key_padn)) {
if (pos.y != 0x0u) {
key = agbx_key_padn;
--pos.y;
goto drw;
}
}
if (agbx_chkkey(keymap,agbx_key_pads)) {
if (pos.y != 0x9Fu) {
key = agbx_key_pads;
++pos.y;
goto drw;
}
}
if (agbx_chkkey(keymap,agbx_key_padw)) {
if (pos.x != 0x0u) {
key = agbx_key_padw;
--pos.x;
goto drw;
}
}
continue;
drw:;
agbx_plot3(prevpos.x,prevpos.y,0x19u);
agbx_plot3(pos.x,pos.y,0xFFFFu);
while (agbx_chkkey(agbx_getkeymap(),key)) {}
}
}
|
