collapseos/emul/xcomp.fs
Virgil Dupras ecca70c7f3 Add layer of indirection to EMIT
This would allow things like temporary giving control to the *CL
line on the TRS-80. For example... A very far fetched example. Not
at all the only *raison d'etre* of the layer...
2020-05-01 20:05:15 -04:00

24 lines
445 B
Forth

0xe800 CONSTANT RAMSTART
0xf000 CONSTANT RS_ADDR
212 LOAD ( z80 assembler )
262 LOAD ( xcomp )
: CODE XCODE ;
: IMMEDIATE XIMM ;
: (entry) (xentry) ;
: : [ ' X: , ] ;
CURRENT @ XCURRENT !
H@ 256 /MOD 2 PC! 2 PC!
282 LOAD ( boot.z80 )
393 LOAD ( icore )
(entry) _
( Update LATEST )
PC ORG @ 8 + !
," CURRENT @ HERE ! "
," : (emit) 0 PC! ; CURRENT @ 83 RAM+ ! "
," : KEY 0 PC@ ; "
422 470 XPACKR
," ' KEY 12 RAM+ ! "
H@ 256 /MOD 2 PC! 2 PC!