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msbasic/print.s
Martin Hoffmann-Vetter 42fd0a2a58 added SYM-1
2014-02-14 18:46:36 -08:00

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7.4 KiB
ArmAsm
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.segment "CODE"
.ifdef AIM65
PRINT:
lda PRIFLG
sta ZBE
jsr L297E
LB8B1:
lda ZBE
sta PRIFLG
rts
.endif
PRSTRING:
jsr STRPRT
L297E:
jsr CHRGOT
; ----------------------------------------------------------------------------
; "PRINT" STATEMENT
; ----------------------------------------------------------------------------
.ifndef AIM65
PRINT:
.endif
beq CRDO
PRINT2:
beq L29DD
.ifdef AIM65
jsr LB89D
beq L29DD
.endif
cmp #TOKEN_TAB
beq L29F5
cmp #TOKEN_SPC
.ifdef CONFIG_2
clc ; also AppleSoft II
.endif
beq L29F5
cmp #','
; Pre-KIM had no CLC. KIM added the CLC
; here. Post-KIM moved the CLC up...
; (makes no sense on KIM, liveness = 0)
.if .def(CONFIG_11A) && (!.def(CONFIG_2))
clc
.endif
beq L29DE
cmp #$3B
beq L2A0D
jsr FRMEVL
bit VALTYP
bmi PRSTRING
jsr FOUT
jsr STRLIT
.ifndef CONFIG_NO_CR
ldy #$00
lda (FAC_LAST-1),y
clc
adc POSX
.ifdef KBD
cmp #$28
.else
cmp Z17
.endif
bcc L29B1
jsr CRDO
L29B1:
.endif
jsr STRPRT
.ifdef KBD
jmp L297E
.else
jsr OUTSP
bne L297E ; branch always
.endif
.ifdef KBD
; PATCHES
LE86C:
pla
jmp CONTROL_C_TYPED
LE870:
jsr GETBYT
txa
LE874:
beq LE878
bpl LE8F2
LE878:
jmp IQERR
; PATCHES
.endif
.ifndef KBD
L29B9:
.ifdef CBM2
lda #$00
sta INPUTBUFFER,x
ldx #<(INPUTBUFFER-1)
ldy #>(INPUTBUFFER-1)
.else
.ifndef APPLE
ldy #$00
sty INPUTBUFFER,x
ldx #LINNUM+1
.endif
.if .def(MICROTAN) || .def(SYM1)
bne CRDO2
.endif
.endif
.ifdef CONFIG_FILE
lda CURDVC
bne L29DD
.endif
.endif
CRDO:
.if .def(CONFIG_PRINTNULLS) && .def(CONFIG_FILE)
lda CURDVC
bne LC9D8
sta POSX
LC9D8:
.endif
lda #CRLF_1
.ifndef CONFIG_CBM_ALL
sta POSX
.endif
jsr OUTDO
CRDO2:
lda #CRLF_2
jsr OUTDO
PRINTNULLS:
.if .def(KBD) || .def(AIM65)
lda #$00
sta POSX
eor #$FF
.else
.if .def(CONFIG_NULL) || .def(CONFIG_PRINTNULLS)
.ifdef CONFIG_FILE
; Although there is no statement for it,
; CBM1 had NULL support and ignores
; it when not targeting the screen,
; CBM2 dropped it completely.
lda CURDVC
bne L29DD
.endif
txa
pha
ldx Z15
beq L29D9
.ifdef SYM1
lda #$FF
.else
lda #$00
.endif
L29D3:
jsr OUTDO
dex
bne L29D3
L29D9:
stx POSX
pla
tax
.else
.ifndef CONFIG_2
lda #$00
sta POSX
.endif
eor #$FF
.endif
.endif
L29DD:
rts
L29DE:
lda POSX
.ifndef CONFIG_NO_CR
.ifdef KBD
cmp #$1A
.else
cmp Z18
.endif
bcc L29EA
jsr CRDO
jmp L2A0D
L29EA:
.endif
sec
L29EB:
.if .def(CONFIG_CBM_ALL) || .def(AIM65)
sbc #$0A
.else
.ifdef KBD
sbc #$0D
.else
sbc #$0E
.endif
.endif
bcs L29EB
eor #$FF
adc #$01
bne L2A08
L29F5:
.ifdef CONFIG_11A
php
.else
pha
.endif
jsr GTBYTC
cmp #')'
.ifdef CONFIG_11A
.ifdef CONFIG_2
bne SYNERR4
.else
jne SYNERR
.endif
plp
bcc L2A09
.else
.ifdef CONFIG_11
jne SYNERR
.else
bne SYNERR4
.endif
pla
cmp #TOKEN_TAB
.ifdef CONFIG_11
bne L2A09
.else
bne L2A0A
.endif
.endif
txa
sbc POSX
bcc L2A0D
.ifndef CONFIG_11
beq L2A0D
.endif
L2A08:
tax
.ifdef CONFIG_11
L2A09:
inx
.endif
L2A0A:
.ifndef CONFIG_11
jsr OUTSP
.endif
dex
.ifndef CONFIG_11
bne L2A0A
.else
bne L2A13
.endif
L2A0D:
jsr CHRGET
jmp PRINT2
.ifdef CONFIG_11
L2A13:
jsr OUTSP
bne L2A0A
.endif
; ----------------------------------------------------------------------------
; PRINT STRING AT (Y,A)
; ----------------------------------------------------------------------------
STROUT:
jsr STRLIT
; ----------------------------------------------------------------------------
; PRINT STRING AT (FACMO,FACLO)
; ----------------------------------------------------------------------------
STRPRT:
jsr FREFAC
tax
ldy #$00
inx
L2A22:
dex
beq L29DD
lda (INDEX),y
jsr OUTDO
iny
cmp #$0D
bne L2A22
jsr PRINTNULLS
jmp L2A22
; ----------------------------------------------------------------------------
OUTSP:
.ifdef CONFIG_FILE
.ifndef CBM1
; on non-screen devices, print SPACE
; instead of CRSR RIGHT
lda CURDVC
beq LCA40
lda #$20
.byte $2C
LCA40:
.endif
lda #$1D ; CRSR RIGHT
.else
lda #$20
.endif
.byte $2C
OUTQUES:
lda #$3F
; ----------------------------------------------------------------------------
; PRINT CHAR FROM (A)
; ----------------------------------------------------------------------------
OUTDO:
.ifndef KBD
bit Z14
bmi L2A56
.endif
.if .def(CONFIG_PRINT_CR) || .def(CBM1)
; Commodore forgot to remove this in CBM1
pha
.endif
.ifdef CBM1
cmp #$1D ; CRSR RIGHT
beq LCA6A
cmp #$9D ; CRSR LEFT
beq LCA5A
cmp #$14 ; DEL
bne LCA64
LCA5A:
lda POSX
beq L2A4E
lda CURDVC
bne L2A4E
dec POSX
LCA64:
and #$7F
.endif
.ifndef CBM2
cmp #$20
bcc L2A4E
.endif
LCA6A:
.ifdef CONFIG_CBM1_PATCHES
lda CURDVC
jsr PATCH6
nop
.endif
.ifdef CONFIG_PRINT_CR
lda POSX
cmp Z17
bne L2A4C
.ifdef AIM65
lda #$00
sta POSX
.elseif .def(APPLE)
nop ; PATCH!
nop ; don't print CR
nop
.else
jsr CRDO
.endif
L2A4C:
.endif
.ifndef CONFIG_CBM_ALL
inc POSX
.endif
L2A4E:
.if .def(CONFIG_PRINT_CR) || .def(CBM1)
; Commodore forgot to remove this in CBM1
pla
.endif
.ifdef CONFIG_MONCOUT_DESTROYS_Y
sty DIMFLG
.endif
.ifdef CONFIG_IO_MSB
ora #$80
.endif
jsr MONCOUT
.ifdef CONFIG_IO_MSB
and #$7F
.endif
.ifdef CONFIG_MONCOUT_DESTROYS_Y
ldy DIMFLG
.endif
.ifdef OSI
nop
nop
nop
nop
.endif
L2A56:
and #$FF
LE8F2:
rts
; ----------------------------------------------------------------------------
; ???
; ----------------------------------------------------------------------------
.ifdef KBD
LE8F3:
pha
lda $047F
clc
beq LE900
lda #$00
sta $047F
sec
LE900:
pla
rts
.endif
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