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Stopped using relative offsets in sublabels

This commit is contained in:
Andrew Alderwick 2021-05-15 19:00:57 +01:00
parent 300f3dfa75
commit e27bde2879
1 changed files with 13 additions and 14 deletions
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27
projects/software/asma.usm
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@ -149,7 +149,6 @@
#0000 ;asma/error STA2
;asma-heap ;asma/heap STA2
#0000 ;asma-trees/labels STA2
( FIXME should walk the label tree and remove any in the heap )
;asma-opcodes/_entry ;asma-trees/opcodes STA2
#0000 ;asma-trees/macros STA2
@ -192,7 +191,7 @@
POP POP2 POP2
JMP2r
@asma [ &pass $1 &state $1 &line $2 &token $2 &orig-token $2 &heap $2 &addr $2 &written-addr $2 &flush-fn $2 &scope-addr $2 &error $2 ]
@asma [ &pass $1 &state $1 &line $2 &token $2 &orig-token $2 &heap $2 &addr $2 &written-addr $2 &flush-fn $2 &error $2 ]
@asma-trees [ &labels $2 &macros $2 &opcodes $2 &scope $2 ]
(
@ -500,14 +499,12 @@
JMP2r
@asma-label-define
#0000 ;asma/scope-addr STA2
;asma-trees/labels ,asma-label-helper JSR
,&already-existed JCN
#0000 ;asma-append-heap-short JSR2 ( data2: subtree incoming ptr )
&already-existed
;asma/addr LDA2 ;asma/scope-addr STA2
#0002 ADD2 ;asma-trees/scope STA2
JMP2r
@ -534,8 +531,7 @@
;asma/heap LDA2
;asma/addr LDA2 ;asma/scope-addr LDA2 SUB2
;asma-append-heap-short JSR2 ( data1: address )
;asma/addr LDA2 ;asma-append-heap-short JSR2 ( data1: address )
#00 JMP2r
@asma-pad-absolute
@ -614,14 +610,14 @@
@asma-addr-helper ( -- addr* )
;asma/token LDA2 LDAk #26 NEQ ,&not-local JCN
#0001 ADD2 ;asma/token STA2
;asma/scope-addr LDA2 ;asma-trees/scope LDA2
;asma-trees/scope LDA2
,&final-lookup JMP
&not-local ( token* )
LDAk
DUP ,&not-end JCN
POP POP2
#0000 ;asma-trees/labels
;asma-trees/labels
,&final-lookup JMP
&not-end ( token* char )
@ -633,23 +629,26 @@
DUP2 #00 ROT ROT STA
;asma-trees/labels ;asma-traverse-tree JSR2 STH
SWP2 DUP2 #2f ROT ROT STA
STHr ,&not-found JCN
STHr ,&not-found2 JCN
( token* binary-ptr* )
#0001 ADD2 ;asma/token STA2
LDA2k SWP2 #0002 ADD2
#0002 ADD2
&final-lookup ( addr-offset* incoming-ptr* )
;asma-traverse-tree JSR2 ,&not-found JCN
LDA2 ADD2
;asma-traverse-tree JSR2
,&not-found JCN
LDA2
JMP2r
&not-found ( dummy* dummy* )
&not-found2 ( dummy* dummy* )
POP2
&not-found ( dummy* )
POP2
;asma/pass LDA #00 EQU ,&ignore-error JCN
;asma-msg-label ;asma/error STA2
&ignore-error
POP2 POP2
;asma/addr LDA2
JMP2r