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forth: fix name conflict with "H" in core and z80a

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This commit is contained in:
Virgil Dupras 2020-03-25 20:13:33 -04:00
parent 77ecbc4918
commit 3e934a2a3b
4 changed files with 17 additions and 17 deletions
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24
forth/core.fs
View File

@ -1,4 +1,4 @@
: H HERE @ ;
: H@ HERE @ ;
: -^ SWAP - ;
: [LITN] LITN ; IMMEDIATE
: LIT ROUTINE S [LITN] , ;
@ -9,9 +9,9 @@
: ['] WORD (find) SKIP? _err LITN ; IMMEDIATE
: COMPILE ' LITN ['] , , ; IMMEDIATE
: [COMPILE] ' , ; IMMEDIATE
: BEGIN H ; IMMEDIATE
: AGAIN COMPILE (bbr) H -^ C, ; IMMEDIATE
: UNTIL COMPILE SKIP? COMPILE (bbr) H -^ C, ; IMMEDIATE
: BEGIN H@ ; IMMEDIATE
: AGAIN COMPILE (bbr) H@ -^ C, ; IMMEDIATE
: UNTIL COMPILE SKIP? COMPILE (bbr) H@ -^ C, ; IMMEDIATE
: ( BEGIN LIT< ) WORD SCMP NOT UNTIL ; IMMEDIATE
( Hello, hello, krkrkrkr... do you hear me?
Ah, voice at last! Some lines above need comments
@ -30,21 +30,21 @@
: IF ( -- a | a: br cell addr )
COMPILE SKIP? ( if true, don't branch )
COMPILE (fbr)
H ( push a )
H@ ( push a )
1 ALLOT ( br cell allot )
; IMMEDIATE
: THEN ( a -- | a: br cell addr )
DUP H -^ SWAP ( a-H a )
DUP H@ -^ SWAP ( a-H a )
C!
; IMMEDIATE
: ELSE ( a1 -- a2 | a1: IF cell a2: ELSE cell )
COMPILE (fbr)
1 ALLOT
DUP H -^ SWAP ( a-H a )
DUP H@ -^ SWAP ( a-H a )
C!
H 1 - ( push a. -1 for allot offset )
H@ 1 - ( push a. -1 for allot offset )
; IMMEDIATE
: CREATE
@ -53,18 +53,18 @@
, ( write it )
;
: VARIABLE CREATE 2 ALLOT ;
: CONSTANT CREATE H ! DOES> @ ;
: CONSTANT CREATE H@ ! DOES> @ ;
: = CMP NOT ;
: < CMP 0 1 - = ;
: > CMP 1 = ;
: / /MOD SWAP DROP ;
: MOD /MOD DROP ;
( In addition to pushing H this compiles 2 >R so that loop
( In addition to pushing H@ this compiles 2 >R so that loop
variables are sent to PS at runtime )
: DO
COMPILE SWAP COMPILE >R COMPILE >R
H
H@
; IMMEDIATE
( One could think that we should have a sub word to avoid all
@ -73,7 +73,7 @@
: LOOP
COMPILE R> 1 LITN COMPILE + COMPILE DUP COMPILE >R
COMPILE I' COMPILE = COMPILE SKIP? COMPILE (bbr)
H -^ C,
H@ -^ C,
COMPILE R> COMPILE DROP COMPILE R> COMPILE DROP
; IMMEDIATE

2
forth/dictionary.txt
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@ -124,7 +124,7 @@ C@ a -- c Set c to byte at address a
C! c a -- Store byte c in address a
CURRENT -- a Set a to wordref of last added entry.
HERE -- a Push HERE's address
H -- a HERE @
H@ -- a HERE @
*** Arithmetic / Bits ***

4
forth/dummy.fs
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@ -7,5 +7,5 @@
current HERE value. The staging executable needs it to know
what to dump. )
HERE @ 256 / 2 PC!
HERE @ 2 PC!
H@ 256 / 2 PC!
H@ 2 PC!

4
forth/readln.fs
View File

@ -21,9 +21,9 @@
( Initializes the readln subsystem )
: (c<$)
HERE @ IN( !
H@ IN( !
INBUFSZ ALLOT
HERE @ IN) !
H@ IN) !
(infl)
;