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Commit | Line | Data |
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1 | SECTION "wee",HOME[$0] | |
2 | outlp: ; Read a packet out if one is waiting. | |
3 | ld a, [$FF69] | |
4 | ld h, a | |
5 | call puthex+$D800 | |
6 | ld a, [$FF69] | |
7 | ld l, a | |
8 | call puthex+$D800 | |
9 | rxlp: ld a, h | |
10 | or l | |
11 | jr z, tx | |
12 | dec hl | |
13 | ld a, [$FF69] | |
14 | call puthex+$D800 | |
15 | jr rxlp | |
16 | tx: ld a, 13 | |
17 | call putc+$D800 | |
18 | ld a, 10 | |
19 | call putc+$D800 | |
20 | ld a, [$FF51] | |
21 | ld [$D800+diqing], a | |
22 | ld a, $0 | |
23 | ld [$FF69], a | |
24 | ld a, $60 | |
25 | ld c, a | |
26 | ld hl, $D800+bleep | |
27 | ld [$FF69], a | |
28 | lp: ld a, [hli] | |
29 | ld [$FF69], a | |
30 | dec c | |
31 | jr nz, lp | |
32 | ld hl, $0000 | |
33 | dl1: dec hl | |
34 | ld a, [$FF68] | |
35 | ld [$FF51], a | |
36 | ld a, h | |
37 | or l | |
38 | jr nz, dl1 | |
39 | jr outlp | |
40 | bleep: db $FF, $FF, $FF, $FF, $FF, $FF | |
41 | db $00, $12, $34, $56, $78, $90 | |
42 | db $08, $00 | |
43 | ||
44 | db $45, $00, $00, $2E, $00, $00, $00, $00, $80, $11 | |
45 | db $26, $bd | |
46 | db $0A, $00, $00, $02 | |
47 | db $0A, $00, $00, $01 | |
48 | ||
49 | db $04, $00, $04, $00, $00, $1A, $00, $00 | |
50 | ||
51 | diqing: db $01, $02, $03, $04, $05, $06, $07, $08 | |
52 | ||
53 | putc: | |
54 | push af | |
55 | .waitport: | |
56 | ld a,[$FF53] | |
57 | and $01 | |
58 | jr nz,.waitport | |
59 | pop af | |
60 | ld [$FF52],a | |
61 | ret | |
62 | ||
63 | puthex: ; Put two hex nibbles to the serial console. | |
64 | push bc | |
65 | push hl | |
66 | push af | |
67 | swap a | |
68 | and $0F | |
69 | ld hl,hex+$D800 | |
70 | ld b,0 | |
71 | ld c,a | |
72 | add hl,bc | |
73 | ld a, [hl] | |
74 | call putc+$D800 | |
75 | pop af | |
76 | and $0F | |
77 | ld hl,hex+$D800 | |
78 | ld c,a | |
79 | add hl,bc | |
80 | ld a, [hl] | |
81 | call putc+$D800 | |
82 | pop hl | |
83 | pop bc | |
84 | ret | |
85 | hex: db "0123456789ABCDEF" | |
86 | ||
87 | section "anus", HOME[$100] | |
88 | nop |