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avra: add RJMP and RCALL

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This commit is contained in:
Virgil Dupras 2020-05-17 10:13:43 -04:00
parent b5d42924ba
commit 212126d6d2
2 changed files with 9 additions and 1 deletions
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2
blk/660
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@ -1 +1 @@
1 7 LOADR+ 1 8 LOADR+

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( 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 ( a -- op ) _raddr12 0xc000 OR ;
: RCALL ( a -- op ) _raddr12 0xd000 OR ;
: RJMP, RJMP A,, ;
: RCALL, RCALL A,, ;