BI Error constants; coding style
This commit is contained in:
Joshua Bell
parent
827d121ef2
commit
9971792f12
30
copy.cmd.s
30
copy.cmd.s
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@ -58,15 +58,15 @@ execute:
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;; FN2. So REL,/ABS becomes /PFX/REL,/PFX//ABS (oops!) and
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;; /ABS,REL remains /ABS,REL (still relative!).
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jsr get_prefix
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jsr GetPrefix
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bcs rts1
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lda VPATH1
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ldx VPATH1+1
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jsr fix_path
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jsr FixPath
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lda VPATH2
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ldx VPATH2+1
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jsr fix_path
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jsr FixPath
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;; Get FN1 info
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lda #$A
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@ -77,9 +77,9 @@ execute:
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;; Reject directory file
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lda FIFILID
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cmp #$F ; DIR
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cmp #FT_DIR
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bne :+
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lda #$D ; FILE TYPE MISMATCH
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lda #BI_ERR_FILE_TYPE_MISMATCH
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sec
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rts1: rts
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:
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@ -124,16 +124,16 @@ rts1: rts
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jsr GOSYSTEM
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bcs :+
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lda #$13 ; DUPLICATE FILE NAME
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lda #BI_ERR_DUPLICATE_FILE_NAME
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err: pha
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jsr close
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jsr CloseFiles
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pla
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sec
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rts
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: cmp #6 ; BI Errors 6 and 7 cover
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beq :+ ; vol dir, pathname, or filename
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cmp #7 ; not found.
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: cmp #BI_ERR_PATH_NOT_FOUND
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beq :+
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cmp #BI_ERR_VOLUME_DIR_NOT_FOUND
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bne err ; Otherwise - fail.
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:
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@ -176,7 +176,7 @@ read: lda FN1REF
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lda #READ
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jsr GOSYSTEM
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bcc :+
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cmp #5 ; END OF DATA
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cmp #BI_ERR_END_OF_DATA
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beq finish
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:
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@ -197,11 +197,11 @@ read: lda FN1REF
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jmp err
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finish: jsr close
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finish: jsr CloseFiles
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clc
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rts
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.proc close
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.proc CloseFiles
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lda FN1REF
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sta CFREFNUM
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lda #CLOSE
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@ -215,7 +215,7 @@ finish: jsr close
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;;; Leave PREFIX at INBUF; infers it the same way as BI if empty.
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;;; Returns with Carry set on failure.
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.proc get_prefix
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.proc GetPrefix
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;; Try fetching prefix
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MLI_CALL GET_PREFIX, get_prefix_params
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lda INBUF
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@ -263,7 +263,7 @@ unit: .byte 0
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.endproc
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;;; Fix path passed in A,X if it's relative. Uses prefix in INBUF
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.proc fix_path
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.proc FixPath
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ptr := $06
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ptr2 := $08
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16
date.cmd.s
16
date.cmd.s
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@ -31,7 +31,9 @@ start:
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;;; TIME: |0 0 0| hour | |0 0| minute |
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;;; +-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+
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MLI_CALL GET_TIME, 0
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lda #GET_TIME
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jsr GOSYSTEM
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lda DATELO
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ora DATEHI
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beq not_set
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@ -48,20 +50,20 @@ start:
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rol a
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rol a
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and #%00001111
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jsr cout_number
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jsr PrintNumber
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lda #'/'|$80 ; /
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jsr COUT
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pla ; day
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and #%00011111
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jsr cout_number
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jsr PrintNumber
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lda #'/'|$80 ; /
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jsr COUT
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pla ; year
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jsr cout_number
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jsr PrintNumber
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lda #' '|$80 ;
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jsr COUT
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@ -71,14 +73,14 @@ start:
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lda TIMELO+1 ; hour
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and #%00011111
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jsr cout_number
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jsr PrintNumber
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lda #':'|$80 ; ':'
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jsr COUT
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lda TIMELO ; minute
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and #%00111111
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jsr cout_number
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jsr PrintNumber
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finish: jsr CROUT
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@ -100,7 +102,7 @@ msg: .byte "<NO DATE>", 0
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;;; ============================================================
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;;; Print a 2-digit number, with leading zeros
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.proc cout_number
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.proc PrintNumber
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;; Reduce to 2 digits
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: cmp #100
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bcc :+
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12
echo.cmd.s
12
echo.cmd.s
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@ -8,7 +8,7 @@
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ldx #0
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;; Skip any leading spaces
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jsr skip_spaces
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jsr SkipSpaces
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;; Invoked with "-" ?
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lda INBUF,x
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@ -17,7 +17,7 @@
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inx
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:
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;; Skip any more leading spaces
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jsr skip_spaces
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jsr SkipSpaces
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;; Skip command name (i.e. "echo")
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txa
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@ -26,7 +26,7 @@
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tax
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;; Skip leading spaces before string to echo
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jsr skip_spaces
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jsr SkipSpaces
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;; Echo string
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: lda INBUF,x
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@ -39,13 +39,13 @@
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exit: clc
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rts
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.proc skip_spaces
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lda INBUF,x
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.proc SkipSpaces
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repeat: lda INBUF,x
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cmp #' '|$80
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beq :+
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rts
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: inx
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jmp skip_spaces
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jmp repeat
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.endproc
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cmd_length = .strlen("echo")
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26
path.s
26
path.s
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@ -35,7 +35,7 @@ CASE_MASK = $DF
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lda #handler_pages
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jsr GETBUFR
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bcc :+
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lda #$C ; NO BUFFERS AVAILABLE
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lda #BI_ERR_NO_BUFFERS_AVAILABLE
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rts
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: sta new_page ; A = MSB of new page
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@ -145,12 +145,12 @@ page_delta:
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;; Check for this command, character by character.
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reloc_point *+2
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jsr skip_leading_spaces
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jsr SkipLeadingSpaces
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ldy #0 ; position in command string
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reloc_point *+2
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nxtchr: jsr to_upper_ascii
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nxtchr: jsr ToUpperASCII
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reloc_point *+2
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cmp command_string,y
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@ -193,9 +193,9 @@ check_if_token:
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beq not_ours
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reloc_point *+2
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jsr skip_leading_spaces
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jsr SkipLeadingSpaces
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reloc_point *+2
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jsr to_upper_ascii
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jsr ToUpperASCII
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cmp #'A'
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bcc not_ours
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@ -223,7 +223,7 @@ mloop: iny ; Advance through token table
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;; Check for match
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next_char:
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reloc_point *+2
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jsr to_upper_ascii ; Next character
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jsr ToUpperASCII ; Next character
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;; NOTE: Does not skip over spaces, unlike BASIC tokenizer
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@ -238,7 +238,7 @@ next_char:
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;; without preventing 'RUN100' from being typed.
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inx
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jsr to_upper_ascii
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jsr ToUpperASCII
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cmp #'A'
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bcc not_ours
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cmp #'Z'+1
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@ -247,7 +247,7 @@ next_char:
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;; Otherwise, advance to next token
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next_token:
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reloc_point *+2
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jsr skip_leading_spaces
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jsr SkipLeadingSpaces
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sloop: lda (tptr),y ; Scan table looking for a high bit set
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iny
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bne :+
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@ -302,9 +302,9 @@ compose:
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;; Name from command line
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reloc_point *+2
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jsr skip_leading_spaces
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jsr SkipLeadingSpaces
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reloc_point *+2
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: jsr to_upper_ascii
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: jsr ToUpperASCII
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cmp #'.'
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beq ok
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cmp #'0'
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@ -341,7 +341,7 @@ notok: dey
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;; Check to see if type is CMD.
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lda FIFILID
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cmp #$F0 ; CMD
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cmp #FT_CMD
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bne compose ; wrong type - try next path directory
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;; Tell BASIC.SYSTEM it was handled.
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@ -454,7 +454,7 @@ set_path:
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;;; Returns INBUF,x with high bit stripped and up-cased
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;;; (also converts {|}~DEL to [\]^_ but that's okay)
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.proc to_upper_ascii
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.proc ToUpperASCII
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lda INBUF,x
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and #$7F
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cmp #'a'
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@ -466,7 +466,7 @@ skip: rts
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;;; Returns with X pointing at first non-space in INBUF,
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;;; and that character loaded in A.
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.proc skip_leading_spaces
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.proc SkipLeadingSpaces
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ldx #$FF
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: inx
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lda INBUF,x
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14
prodos.inc
14
prodos.inc
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@ -27,6 +27,11 @@ CLOSE = $CC
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.addr params
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.endmacro
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FT_TXT = $04
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FT_DIR = $0F
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FT_CMD = $F0
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FT_BAS = $FC
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;;; ============================================================
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;;; BASIC.SYSTEM Global Page
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@ -132,3 +137,12 @@ CCCSPARE := $BEDF
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GETBUFR := $BEF5
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FREEBUFR := $BEF8
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RSHIMEM := $BEFB
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;;; Error Codes
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BI_ERR_END_OF_DATA = 5
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BI_ERR_PATH_NOT_FOUND = 6
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BI_ERR_VOLUME_DIR_NOT_FOUND = 7 ; Also shows as PATH NOT FOUND
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BI_ERR_NO_BUFFERS_AVAILABLE = 12
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BI_ERR_FILE_TYPE_MISMATCH = 13
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BI_ERR_DUPLICATE_FILE_NAME = 19
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32
type.cmd.s
32
type.cmd.s
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@ -53,9 +53,9 @@ execute:
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;; Reject directory file
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lda FIFILID
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cmp #$F ; DIR
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cmp #FT_DIR
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bne :+
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lda #$D ; FILE TYPE MISMATCH
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lda #BI_ERR_FILE_TYPE_MISMATCH
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sec
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rts1: rts
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:
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@ -86,11 +86,11 @@ rts1: rts
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sta LINUM+1
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lda FIFILID ; File type
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cmp #$04 ; TXT
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beq text
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cmp #$FC ; BAS
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cmp #FT_TXT
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beq Text
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cmp #FT_BAS
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bne :+
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jmp basic
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jmp Basic
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:
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;; fall through
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@ -98,8 +98,8 @@ rts1: rts
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;;; ============================================================
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;;; Generic (Binary) file
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.proc binary
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jsr ReadByte
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.proc Binary
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repeat: jsr ReadByte
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bcc :+
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jmp Exit
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: pha
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@ -155,31 +155,31 @@ cloop: lda INBUF,x
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bcc :+
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inc LINUM+1
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:
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jmp binary
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jmp Binary
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.endproc
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;;; ============================================================
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;;; Text file
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.proc text
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jsr ReadByte
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.proc Text
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repeat: jsr ReadByte
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bcs Exit
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ora #$80
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cmp #$8D ; CR?
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beq :+
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cmp #' '|$80 ; other control character?
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bcc text ; yes, ignore
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bcc repeat ; yes, ignore
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: jsr COUT
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jmp text
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jmp repeat
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.endproc
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;;; ============================================================
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;;; BASIC file
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.proc basic
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jsr CROUT
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.proc Basic
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repeat: jsr CROUT
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jsr ReadByte ; first two bytes are pointer to next line
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jsr ReadByte
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bcs Exit ; EOF
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@ -196,7 +196,7 @@ cloop: lda INBUF,x
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;; Line contents: EOL, token, or character?
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lloop: jsr ReadByte
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beq basic ; EOL
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beq repeat ; EOL
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bmi token ; token
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cout: ora #$80
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