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Implemented writing to output file

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This commit is contained in:
Andrew Alderwick 2021-05-15 21:02:33 +01:00
parent 1f80b2907b
commit 63081b64cd
1 changed files with 55 additions and 20 deletions
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75
projects/software/asma.usm
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@ -10,7 +10,6 @@
BRK
&source-file
"test.usm 00
"projects/demos/piano.usm 00
&dest-file
"bin/asma-boot.rom 00
@ -40,10 +39,12 @@
;asma/dest-filename STA2 ;asma/src-filename STA2
;asma-init-first-pass JSR2
;asma-flush-ignore ;asma/flush-fn STA2
;asma/src-filename LDA2 ;asma-assemble-file-pass JSR2
asma-IF-ERROR ,&error JCN
;asma-init-next-pass JSR2
;asma-flush-to-file ;asma/flush-fn STA2
;asma/src-filename LDA2 ;asma-assemble-file-pass JSR2
asma-IF-ERROR ,&error JCN
@ -142,19 +143,24 @@
@asma-init-first-pass ( -- )
#ff ;asma/pass STA
#0000 ;asma/error STA2
#0000 DUP2k
;asma/error STA2
;asma-trees/labels STA2
;asma-trees/macros STA2
;asma-heap ;asma/heap STA2
#0000 ;asma-trees/labels STA2
;asma-opcodes/_entry ;asma-trees/opcodes STA2
#0000 ;asma-trees/macros STA2
( fall through )
@asma-init-next-pass ( -- )
;asma/pass LDA #01 ADD ;asma/pass STA
#00 ;asma/state STA
#0000 ;asma/addr STA2
#0100 ;asma/written-addr STA2
#0001 ;asma/line STA2
;asma-write-buffer ;asma-output/ptr STA2
#0000 DUP2k
;asma-output/offset STA2
;asma/addr STA2
;asma/state STA
#01 ( 0001 )
SWPk ( 0001 0100 ) ;asma/written-addr STA2
;asma/line STA2
JMP2r
(
@ -167,8 +173,8 @@
&loop
OVR2 .File/name DEO2
DUP2 .File/offset DEO2
#0023 STH2k .File/length DEO2
#f000 DUP2k .File/load DEO2
;asma-read-buffer/end ;asma-read-buffer SUB2 STH2k .File/length DEO2
;asma-read-buffer DUP2k .File/load DEO2
.File/success DEI2
DUP2 STH2r SUB2 ORA ,&last-one JCN
,asma-assemble-chunk JSR asma-IF-ERROR ,&error JCN
@ -179,6 +185,10 @@
ADD2k #00 ROT ROT STA
#0001 ADD2
,asma-assemble-chunk JSR asma-IF-ERROR ,&error JCN
( flush output buffer )
;asma-output/ptr LDA2 ;asma-write-buffer SUB2 ;asma/flush-fn LDA2 JSR2
POP2
&error
POP2 POP2 POP2
@ -386,6 +396,11 @@
POP2 #01
JMP2r
@asma-write-short ( short -- )
SWP
,asma-write-byte JSR
,asma-write-byte JMP ( tail call )
@asma-write-byte ( byte -- )
;asma/addr LDA2 ;asma/written-addr LDA2
LTH2k ,&rewound JCN
@ -395,26 +410,46 @@
#0001 ADD2
,&loop JMP
&rewound
;asma-msg-rewound ;asma/error STA2
POP2 POP2 POP JMP2r
&ready
POP2 #0001 ADD2
DUP2 ;asma/addr STA2
;asma/written-addr STA2
&write
#3e .Console/char ;asma/pass LDA asma-DEO
,asma-output/ptr LDR2
DUP2 ;asma-write-buffer/end EQU2 ,&flush JCN
&after-flush
STH2k STA
STH2r #0001 ADD2 ,asma-output/ptr STR2
( #3e .Console/char ;asma/pass LDA asma-DEO
#20 .Console/char ;asma/pass LDA asma-DEO
.Console/byte ;asma/pass LDA asma-DEO ( FIXME actually write! )
#0a .Console/char ;asma/pass LDA asma-DEO
#00 .Console/byte ;asma/pass LDA asma-DEO
#0a .Console/char ;asma/pass LDA asma-DEO )
JMP2r
&rewound
;asma-msg-rewound ;asma/error STA2
POP2 POP2 POP JMP2r
&flush ( ptr* -- start-of-buffer* )
;asma-write-buffer SUB2k ( ptr* start* len* )
;asma/flush-fn LDA2 JSR2
SWP2 POP2 ( start* )
,&after-flush JMP
@asma-write-short ( short -- )
SWP
,asma-write-byte JSR
,asma-write-byte JMP ( tail call )
@asma-output [ &ptr $2 &offset $2 &filename $2 ]
@asma-flush-ignore ( len* -- )
POP2
JMP2r
@asma-flush-to-file ( len* -- )
DUP2 .File/length DEO2
,asma-output/offset LDR2 DUP2 .File/offset DEO2 ADD2 ,asma-output/offset STR2
;asma/dest-filename LDA2 .File/name DEO2
;asma-write-buffer .File/save DEO2
JMP2r
@asma-append-heap-byte ( dummy byte -- dummy )
;asma/heap LDA2