collapseos/blk/213
Virgil Dupras bf289b0a67 z80a: de-variable-ize
Use straight VARIABLE instead of Z80MEM+. Initially, I used this
system to allow z80a to be embedded in a system binary, but now
I don't think it's worth it. Compiled, z80a is 2.5k. Sure, it's a
sizeable amount of RAM, but I think that even with it in RAM, I'll
manage a bootstrap within my most constrained machine, the SMS with
8K.
2020-05-14 15:29:22 -04:00

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VARIABLE ORG
VARIABLE BIN( 0 BIN( !
VARIABLE L1 VARIABLE L2 VARIABLE L3 VARIABLE L4
: A 7 ; : B 0 ; : C 1 ; : D 2 ;
: E 3 ; : H 4 ; : L 5 ; : (HL) 6 ;
: BC 0 ; : DE 1 ; : HL 2 ; : AF 3 ; : SP AF ;
: CNZ 0 ; : CZ 1 ; : CNC 2 ; : CC 3 ;
: CPO 4 ; : CPE 5 ; : CP 6 ; : CM 7 ;