1
0
mirror of https://github.com/hsoft/collapseos.git synced 2024-12-25 16:48:06 +11:00
collapseos/blk/668
Virgil Dupras e0bc14e55c avra: implement BR*
Getting good! still advancing on ps2ctl in sms/kbd and still
matching reference binary.
2020-05-18 20:34:06 -04:00

8 lines
266 B
Plaintext

( a -- k12, absolute addr a, relative to PC in a k12 addr )
: _r7ffc DUP 0x7ff > IF _oor THEN ;
: _raddr12
PC - DUP 0< IF 0x800 + _r7ffc 0x800 OR ELSE _r7ffc THEN ;
: RJMP _raddr12 0xc000 OR ;
: RCALL _raddr12 0xd000 OR ;
: RJMP, RJMP A,, ; : RCALL, RCALL A,, ;