Some minor changes.
In order to manage upcoming changes relevant to all machine types it's important that the files are easy to diff. This change improves the similarity between a2<...>.s and atr<...>.s.
This commit is contained in:
Oliver Schmidt
parent
981e3bb5f7
commit
26e57930a0
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@ -80,7 +80,7 @@ get_key:
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rts
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; inputs: none
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; outputs: sec (CF=1) if key pressed, clear otherwise
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; outputs: sec if key pressed, clear otherwise
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; A contains ASCII value of key just pressed
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get_key_if_available:
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lda BRKKEY
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@ -150,16 +150,16 @@ getkey_k:
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pha
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rts
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get_key_ip65:
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; process inbound ip packets while waiting for a keypress
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get_key_ip65:
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jsr ip65_process
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jsr get_key_if_available
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bcc get_key_ip65
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rts
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;check whether the abort key is being pressed
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;inputs: none
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;outputs: CF=1 if abort key pressed, clear otherwise
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; check whether the abort key is being pressed
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; inputs: none
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; outputs: sec if abort key pressed, clear otherwise
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check_for_abort_key:
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lda abort_key ; is "abort" enabled?
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beq nokey ; no
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@ -205,7 +205,7 @@ Special tya ; restore char
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; --- CR ---
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cmp #$0d ; CR?
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bne D1
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CRhnd jsr clPending
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DoCR jsr clPending
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ldx ROWCRS ; get row
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ldy #$00 ; set col=0
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jsr CPlot ; set crsr
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@ -256,9 +256,9 @@ D5 cmp #$09 ; TAB?
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and #$f8 ; (col DIV 8) * 8
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clc ; col + 8
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adc #$08
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cmp #Cols
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cmp #Cols ; col=40?
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bne D5a ; no -> skip
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lda #$4f ; yes -> col=79
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lda #Cols-1 ; yes -> col=39
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D5a tay ; col to y
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ldx ROWCRS ; line to x
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jsr CPlot ; set crsr
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@ -356,7 +356,7 @@ E6b dex ; one line up
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; --- E --- next line
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E7 cmp #$45 ; E ?
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bne E8
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jsr CRhnd
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jsr DoCR
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jsr LF
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jmp Eend
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; --- 7 --- save crsr
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@ -479,11 +479,11 @@ LE3 cmp #$43 ; C ?
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LE3c lda COLCRS ; get crsr col
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clc
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adc EPar ; col = col + right
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cmp #$4f ; outside screen?
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cmp #Cols-1 ; outside screen?
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bcs LE3d ; yes -> branch
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tay
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jmp LE3a
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LE3d ldy #$4f ; y=col=left margin
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LE3d ldy #Cols-1 ; y=col=left margin
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LE3a ldx ROWCRS ; x is row
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jsr CPlot ; set crsr
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jmp LEend
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@ -605,7 +605,7 @@ LE8b dey ; line 1 -> line 0
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bne LE8c ; 0 means 1
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iny
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LE8c dey ; col 1 -> col 0
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cpy #Cols
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cpy #Cols ; >= 40?..
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bcs LE8d ; ..error!
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ldx xVector ; restore row to X
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jsr CPlot ; set crsr
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@ -645,7 +645,7 @@ LE9c dex ; previous line
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; -- 2 -- del screen
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LE9e cmp #$02 ; unknown?
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bne LE9f ; then ingnore
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ldx #Rows-1 ; start at last line
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ldx #Rows-1 ; start at ln 23
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LE9d txa
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pha ; save X
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jsr ErLn ; erase line
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@ -664,14 +664,14 @@ LE10 cmp #$72 ; r ?
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bne LE10e ; no -> error
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ldy EPar ; get top
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dey ; line 1 -> line 0
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cpy #Rows
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cpy #Rows ; >=24?..
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bcs LE10e ; ..error!
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sty xVector ; save top
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; -- prepare bottom --
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jsr GetNum
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ldy EPar ; get bottom
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dey ; line 1 -> line 0
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cpy #Rows
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cpy #Rows ; >=24?..
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bcs LE10e ; ..error!
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sty zVector ; save bottom
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; -- validate lines --
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@ -889,19 +889,16 @@ aDDigE rts
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ProcOut
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lda kta,y ; keyboard to ASCII
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cmp #$fd
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cmp #$ff
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beq POrts ; ignore key
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cmp #$fe
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beq CmdKey ; command key
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cmp #$ff
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beq StrKey ; send a string
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jsr putRS
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POrts rts
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; -------------------------------------
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; outgoing string
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; outgoing command key
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;
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; params: key in y
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; -------------------------------------
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ScrsrU .byt $1b, $4f, $41, $00 ; esc O A
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@ -909,77 +906,74 @@ ScrsrD .byt $1b, $4f, $42, $00 ; esc O B
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ScrsrR .byt $1b, $4f, $43, $00 ; esc O C
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ScrsrL .byt $1b, $4f, $44, $00 ; esc O D
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StrKey tya ; restore character
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CmdKey tya ; restore character
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; --- crsr L ---
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cmp #ATLRW
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bne K0
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bne C0
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; crsr L
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crsrL ldx #<ScrsrL
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ldy #>ScrsrL
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jsr SendStr
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rts
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; --- crsr D ---
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K0 cmp #ATDRW
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bne K1
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C0 cmp #ATDRW
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bne C1
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; crsr down is pressed
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crsrD ldx #<ScrsrD
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ldy #>ScrsrD
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jsr SendStr
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rts
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; --- crsr U ---
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K1 cmp #ATURW
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bne K2
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C1 cmp #ATURW
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bne C2
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; crsr up is pressed
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crsrU ldx #<ScrsrU
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ldy #>ScrsrU
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jsr SendStr
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rts
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; --- crsr R ---
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K2 cmp #ATRRW
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bne Cbad ; unknown key
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C2 cmp #ATRRW
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bne C3
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; crsr R
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crsrR ldx #<ScrsrR
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ldy #>ScrsrR
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jsr SendStr
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rts
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; -------------------------------------
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; outgoing command key
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;
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; -------------------------------------
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CmdKey tya ; restore character
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; --- Option h H ---
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; print help
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cmp #$fc ; special value for HELP key
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C3 cmp #$fc ; special value for HELP key
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beq Help
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cmp #$68 ; h
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beq C1
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cmp #$48 ; H
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bne C2
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C1 lda CONSOL
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cmp #$68 ; h
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beq C31
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cmp #$48 ; H
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bne C4
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C31 lda CONSOL
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and #4
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beq Help ; "Option" pressed
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beq Help ; "Option" pressed
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tya
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jsr putRS ; send h or H
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jsr putRS ; send h or H
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rts
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; --- Option q Q ---
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; quit CaTer
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C2 cmp #$71 ; q
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beq C21
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cmp #$51 ; Q
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bne Cbad
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C21 lda CONSOL
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C4 cmp #$71 ; q
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beq C41
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cmp #$51 ; Q
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bne C5
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C41 lda CONSOL
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and #4
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beq Cquit ; "Option" pressed
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beq Cquit ; "Option" pressed
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tya
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jsr putRS ; send q or Q
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jsr putRS ; send q or Q
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rts
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; quit CaTer
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@ -987,7 +981,7 @@ Cquit jsr telnet_close
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rts
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; --- unknown character ---
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Cbad rts
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C5 rts
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; -------------------------------------
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; Help - print help screen
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@ -995,7 +989,7 @@ Cbad rts
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; calledom outgoing data loop
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; returns with rts
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; -------------------------------------
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Help jsr CRhnd ; next screen line
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Help jsr DoCR ; next screen line
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jsr LF
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ldx #<HelpStr1
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ldy #>HelpStr1
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@ -1183,7 +1177,7 @@ PC2 ldy COLCRS ; get crsr col
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sta (ADRESS),y ; char to screen
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; -- move on crsr --
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cpy #Cols-1 ; col = last one?
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cpy #Cols-1 ; col = 39?
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bne PC8 ; no -> skip
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lda #$ff ; yes -> set..
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sta lbPending ; ..pending
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@ -1210,7 +1204,7 @@ NewLn pha ; save char
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ldx ROWCRS ; get crsr row
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cpx SRE ; end of scroll reg?
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beq NL1 ; yes -> branche
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cpx #Rows-1 ; last line
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cpx #Rows-1 ; line 23?
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beq NLend ; yes -> crsr stays
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; --- normal wrap ---
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inx ; increase line
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@ -1386,7 +1380,7 @@ DS2 lda (xVector),y ; copy char
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; -------------------------------------
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CPrnStrNL
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jsr CPrnStr
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jsr CRhnd
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jsr DoCR
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jsr LF
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rts
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@ -1488,8 +1482,8 @@ EBL1 sta (xVector),y
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; return: screen line ptr in xVector
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; -------------------------------------
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SLV lda SAVMSC
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clc
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SLV clc
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lda SAVMSC
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adc LineOffsLo,x
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sta xVector
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lda SAVMSC+1
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@ -1533,7 +1527,7 @@ InitVar lda #$00
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sta Rvs
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lda #Rows-1 ; last line
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sta SRE ; = Rows-1
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sta SRE ; = 23
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rts
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@ -1648,11 +1642,9 @@ ltsc;_0 _1 _2 _3 _4 _5 _6 _7 _8 _9 _a _b _c _d _e _f
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; input for sending over the serial
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; line.
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;
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; ascii = $ff means send string
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; ascii = $ff means ignore key
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; ascii = $fe means do something
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; complicated (command key)
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; ascii = $fd means ignore key
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; ascii = $fc means HELP key
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; -------------------------------------
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kta ;_0 _1 _2 _3 _4 _5 _6 _7 _8 _9 _a _b _c _d _e _f
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@ -1662,7 +1654,7 @@ kta ;_0 _1 _2 _3 _4 _5 _6 _7 _8 _9 _a _b _c _d _e _f
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.byt $00,$01,$02,$03,$04,$05,$06,$07,$08,$09,$0A,$B,$0c,$0d,$0e,$0f ; 0_
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; {↑} {↓} {←} {→}
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; ^P ^Q ^R ^S ^T ^U ^V ^W ^X ^Y ^Z ^[ ^\ ^] ^^ ^_
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.byt $10,$11,$12,$13,$14,$15,$16,$17,$18,$19,$1a,$1b,$ff,$ff,$ff,$ff ; 1_
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.byt $10,$11,$12,$13,$14,$15,$16,$17,$18,$19,$1a,$1b,$fe,$fe,$fe,$fe ; 1_
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; --- special chars ------------------------------------------------
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; ' ' ! " # $ % & ' ( ) * + , - . /
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@ -1688,29 +1680,29 @@ kta ;_0 _1 _2 _3 _4 _5 _6 _7 _8 _9 _a _b _c _d _e _f
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; --- accidentally switched to inverse -----------------------------
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; {←} {↓} {↑}
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; ^A ^B ^C ^D ^E ^F ^G ^H ^I ^J ^K ^L ^M ^N ^O
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.byt $fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd ; 8_
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.byt $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff ; 8_
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; {→} ~
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; ^P ^Q ^R ^S ^T ^U ^V ^W ^X ^Y ^Z ^[ ^\ ^] ^^ ^_
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; {RETURN}
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.byt $fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$0d,$7f,$fd,$7e,$1f ; 9_
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.byt $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$0d,$7f,$ff,$7e,$1f ; 9_
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; --- special chars ------------------------------------------------
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; ' ' ! " # $ % & ' ( ) * + , - . /
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.byt $fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd ; a_
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.byt $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff ; a_
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; 0 1 2 3 4 5 6 7 8 9 : ; < = > ?
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.byt $fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd ; b_
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.byt $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff ; b_
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; --- capital letters ----------------------------------------------
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; @ A B C D E F G H I J K L M N O
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.byt $fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd ; c_
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.byt $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff ; c_
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; P Q R S T U V W X Y Z [ \ ] ^ _
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.byt $fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd ; d_
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.byt $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff ; d_
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; --- lower case letters -------------------------------------------
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; ` a b c d e f g h i j k l m n o
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.byt $fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd ; e_
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.byt $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff ; e_
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; p q r s t u v w x y z { | } ~ DEL
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.byt $fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fd,$fe,$fd,$7f,$fd ; f_
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.byt $ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff,$fe,$ff,$7f,$ff ; f_
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; -----------------------------------------------
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