blob: 495afc9ecfc6448e8d635b9b48b5132b2534529b (
plain)
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
|
;
; Quick hack to emulate some CPM bdos calls (well, enough to make it work)
;
option output-file, emucpm.hex
option output-format, hex
org 0
halt
org 5
jp cpm
org $f000
cpm:
push af
push bc
push de
push hl
ld a,9
cp c
call z,print_string
ld a,2
cp c
call z,print_char
pop hl
pop de
pop bc
pop af
ret
print_string:
ld bc,$0082
out (c),a
ret
print_char:
ld a,e
ld bc,$0080
out (c),a
ret
|