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Add words 1+ 2+ 1- 2- and consts 0 1 -1

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Saves quite a few bytes in the final binary.
This commit is contained in:
Virgil Dupras 2020-04-15 21:29:39 -04:00
parent e1e634c815
commit 5d4155aa32
12 changed files with 88 additions and 42 deletions
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2
blk/054
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@ -10,3 +10,5 @@ MOD a b -- c a % b -> c
AND a b -- c a & b -> c AND a b -- c a & b -> c
OR a b -- c a | b -> c OR a b -- c a | b -> c
XOR a b -- c a ^ b -> c XOR a b -- c a ^ b -> c
Shortcuts: 1+ 2+ 1- 2-

BIN
emul/forth/z80c.bin
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Binary file not shown.

1
forth/z80a.fs
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@ -390,4 +390,3 @@
; ;
: FWR BSET 0 A, ; : FWR BSET 0 A, ;
: FSET @ THEN, ; : FSET @ THEN, ;

45
forth/z80c.fs
View File

@ -381,3 +381,48 @@ CODE (im1)
IM1, IM1,
EI, EI,
;CODE ;CODE
CODE 0
HL 0 LDddnn,
HL PUSHqq,
;CODE
CODE 1
HL 1 LDddnn,
HL PUSHqq,
;CODE
CODE -1
HL -1 LDddnn,
HL PUSHqq,
;CODE
CODE 1+
HL POPqq,
chkPS,
HL INCss,
HL PUSHqq,
;CODE
CODE 1-
HL POPqq,
chkPS,
HL DECss,
HL PUSHqq,
;CODE
CODE 2+
HL POPqq,
chkPS,
HL INCss,
HL INCss,
HL PUSHqq,
;CODE
CODE 2-
HL POPqq,
chkPS,
HL DECss,
HL DECss,
HL PUSHqq,
;CODE