mirror of
https://github.com/hsoft/collapseos.git
synced 2024-11-23 19:28:06 +11:00
10 lines
228 B
Plaintext
10 lines
228 B
Plaintext
CODE _blank ( this is way too slow in Forth )
|
|
A XORr, VDP_CTLPORT OUTnA,
|
|
A 0x40 LDrn, VDP_CTLPORT OUTnA,
|
|
HL 0x4000 LDddnn,
|
|
BEGIN,
|
|
A XORr, VDP_DATAPORT OUTnA,
|
|
HL DECss, HLZ,
|
|
JRNZ, AGAIN,
|
|
;CODE
|