mirror of
https://github.com/hsoft/collapseos.git
synced 2024-11-01 19:20:56 +11:00
17 lines
237 B
NASM
17 lines
237 B
NASM
|
; vid - TRS-80's video
|
||
|
;
|
||
|
; Implement PutC using TRS-80's SVC calls so that character it put on video
|
||
|
; display.
|
||
|
|
||
|
trs80PutC:
|
||
|
push af
|
||
|
push bc
|
||
|
push de ; altered by SVC
|
||
|
ld c, a
|
||
|
ld a, 0x02 ; @DSP
|
||
|
rst 0x28
|
||
|
pop de
|
||
|
pop bc
|
||
|
pop af
|
||
|
ret
|