6502/of816
1
0
Fork 0
mirror of https://github.com/mgcaret/of816.git synced 2024-12-27 19:29:58 +00:00
Code Issues Projects Releases Wiki Activity

simplify temp def stuff a little

Browse Source
This commit is contained in:
mgcaret 2020-01-05 21:12:49 -08:00
parent e9ab1c0eb4
commit aca5015e1c
1 changed files with 8 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
asm/forth-dictionary.s
View File

@ -6052,13 +6052,15 @@ dword dTEMPCOLON,":TEMP"
eword
; word to end temporary colon definition and run it
; called whenever control-flow-ending words are executed
; and a temporary definition is open
; ( xt xt' -- )
hword dTEMPSEMI,"$;TEMP",F_IMMED|F_CONLY
hword dTEMPSEMIQ,"$;TEMP?",F_IMMED|F_CONLY
ENTER
.dword dTMPDEF ; ( -- a-addr )
.dword FETCH ; ( a-addr -- c-addr ) 0 if not in temp def
.dword _IF ; ( c-addr -- )
.dword csmm ; something is wrong
.dword FETCH ; ( a-addr -- x ) 0 if not in temp def
.dword _IF ; ( x -- )
.dword notmp ; if not in temp def
dosemi: .dword DEPTH ; ( -- u1 )
.dword dCSDEPTH ; ( u1 -- u1 c-addr1 ) verify stack depth is what it should be
.dword FETCH ; ( u1 c-addr1 -- u1 u2 )
@ -6066,7 +6068,7 @@ dosemi: .dword DEPTH ; ( -- u1 )
.dword _IFFALSE ; ( f -- )
.dword tmpdone ; true branch, finish up temp def
.dword TWODROP
EXIT
notmp: EXIT
tmpdone: ;SLIT "Ending temp def... "
;.dword TYPE
.dword DEPTH ; ( -- u1 )
@ -6102,16 +6104,6 @@ csmm: .dword STATEI ; ( -- )
JUMP dofree
eword
; Maybe close temporary definition
hword dTEMPSEMIQ,"$;TEMP?"
ENTER
.dword dTMPDEF
.dword FETCH
.dword _IFFALSE
.dword dTEMPSEMI::dosemi ; we are doing a temp def, maybe close and run
EXIT
eword
; ( xt -- ) make definition at xt visible
hword UNSMUDGE,"UNSMUDGE"
ENTER
@ -6133,7 +6125,7 @@ dword SEMI,";",F_IMMED|F_CONLY
.dword FETCH
.dword _IF
.dword :+
.dword dTEMPSEMI ; if it is, do that instead
.dword dTEMPSEMIQ ; if it is, do that instead
EXIT
: .dword _COMP_LIT ; compile EXIT into current def
EXIT ; NOTE: not really EXITing here