mirror of
https://github.com/hsoft/collapseos.git
synced 2024-12-27 23:18:09 +11:00
12 lines
486 B
Plaintext
12 lines
486 B
Plaintext
|
: (ps2kcB) ( for port B )
|
||
|
|
( Port B TL is bit 2 )
|
||
|
|
0xdd PC@ 0x04 AND IF 0 EXIT ( nothing ) THEN
|
||
|
|
0x3f PC@ DROP 0b01110111 ( Port B TH output, low ) 0x3f PC!
|
||
|
|
0xdc PC@ ( bit 7:6 go in 1:0 ) 6 RSHIFT ( n )
|
||
|
|
0xdd PC@ ( bit 1:0 go in 3:2 ) 0x03 AND 2 LSHIFT OR ( n )
|
||
|
|
0b11110111 ( Port B TH output, high ) 0x3f PC!
|
||
|
|
0xdc PC@ ( bit 7:6 go in 5:4 ) 0xc0 AND 2 RSHIFT OR ( n )
|
||
|
|
0xdd PC@ ( bit 1:0 go in 7:6 ) 0x03 AND 6 LSHIFT OR ( n )
|
||
|
|
( Port A/B reset ) 0xff 0x3f PC!
|
||
|
|
;
|