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collapseos/blk/010
Virgil Dupras 91f79d1131 Move z80a from B200 to B5
The idea is to consider assemblers as "runtime" apps instead of
placing them in the "bootstrap" section of the blocks. These apps
will be used for much more than bootstrapping.

Moved its documentation to doc/asm.txt and made its code blocks
more compact.
2020-09-21 17:51:08 -04:00

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( r -- )
: OP1r
CREATE C,
DOES>
C@ ( r op )
SWAP ( op r )
<<3 ( op r<<3 )
OR A,
;
0x04 OP1r INCr, 0x05 OP1r DECr,
: INC(IXY+), INCr, A, ;
: DEC(IXY+), DECr, A, ;
( also works for c )
0xc0 OP1r RETc,