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(asma) Combine byte literals

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This commit is contained in:
Andrew Alderwick 2021-11-28 01:29:39 +00:00
parent 24e1820d12
commit 1f5086a260
1 changed files with 35 additions and 7 deletions
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42
projects/library/asma.tal
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@ -222,6 +222,7 @@
;asma-read-buffer DUP2 ;asma-read-buffer/end ROT2 SUB2 ( func* line^ filename* buf* size^ )
ROT2 ( func* line^ buf* size^ filename* )
,file-read-chunks JSR
;asma-flush-lit JSR2
asma-IF-ERROR ,&error JCN
@ -294,7 +295,7 @@
@asma [
&pass $1 &state $1 &line $2 &lines $2 &break $1 &eof $1
&token $2 &orig-token $2
&token $2 &orig-token $2 &lit $1 &lit-present $1
&addr $2 &written-addr $2 &flush-fn $2
&src-filename $2 &dest-filename $2
&error $2 &log-level $1
@ -462,7 +463,32 @@
,asma-write-byte JSR
,asma-write-byte JMP ( tail call )
@asma-write-lit ( byte -- )
;asma/lit LDA2 ,&present JCN
POP #01 ;asma/lit STA2
;asma/addr LDA2k INC2 SWP2 STA2
JMP2r
&present
;asma/addr LDA2k #0001 SUB2 SWP2 STA2
LIT LIT2 ,asma-write-byte/raw JSR
,asma-write-byte/raw JSR
,asma-write-byte/raw JSR
#0000 ;asma/lit STA2
JMP2r
@asma-flush-lit ( -- )
;asma/lit LDA2 ,&present JCN
POP JMP2r
&present
;asma/addr LDA2k #0001 SUB2 SWP2 STA2
LIT LIT ,asma-write-byte/raw JSR
,asma-write-byte/raw JSR
#0000 ;asma/lit STA2
JMP2r
@asma-write-byte ( byte -- )
,asma-flush-lit JSR
&raw
;asma/addr LDA2 ;asma/written-addr LDA2
LTH2k ,&rewound JCN
&loop
@ -574,6 +600,7 @@
JMP2r
@asma-label-define
;asma-flush-lit JSR2
;asma-trees/labels ,asma-label-helper JSR
,&already-existed JCN
@ -584,6 +611,7 @@
JMP2r
@asma-sublabel-define
;asma-flush-lit JSR2
;asma-trees/scope LDA2 ,asma-label-helper JSR
POP POP2
JMP2r
@ -659,9 +687,8 @@
;asma-write-short JMP2 ( tail call )
@asma-literal-zero-addr
LIT LIT ;asma-write-byte JSR2
,asma-addr-helper JSR
;asma-write-byte JSR2
;asma-write-lit JSR2
,&not-zero-page JCN
JMP2r
@ -675,8 +702,7 @@
JMP2r
@asma-literal-rel-addr
LIT LIT ;asma-write-byte JSR2
,asma-addr-helper JSR ;asma/addr LDA2 SUB2 #0002 SUB2
,asma-addr-helper JSR ;asma/addr LDA2 SUB2 #0003 SUB2
DUP2 #0080 LTH2 STH
DUP2 #ff7f GTH2 STHr ORA ,&in-bounds JCN
@ -686,7 +712,7 @@
JMP2r
&in-bounds
;asma-write-byte JSR2
;asma-write-lit JSR2
POP
JMP2r
@ -746,7 +772,9 @@
JMP2r
@asma-byte-helper ( dummy value -- )
LIT LIT ;asma-write-byte JSR2
;asma-write-lit JSR2
POP
JMP2r
&raw
;asma-write-byte JSR2
POP