mirror of
https://github.com/bobbimanners/emailler.git
synced 2024-07-11 20:28:57 +00:00
e54bb71bcc
- Tab chars were partially used with the unusual width of two blanks. I removed them altogether. - Line endings were inconsistent even iniside individual files. I normalized them. - I introduced a consistent coding style regarding comment indenting and blank line usage. - I removed trailing spaces. - I removed newlines following unnamed labels. - ...
420 lines
5.6 KiB
ArmAsm
420 lines
5.6 KiB
ArmAsm
.include "../inc/common.i"
|
|
|
|
.export console_printf
|
|
|
|
.import console_out
|
|
.import console_strout
|
|
|
|
|
|
.segment "IP65ZP" : zeropage
|
|
|
|
strptr: .res 2
|
|
argptr: .res 2
|
|
valptr: .res 2
|
|
|
|
|
|
.bss
|
|
|
|
ysave: .res 1
|
|
arg: .res 1
|
|
fieldwidth: .res 1
|
|
fieldwcnt: .res 1
|
|
leadzero: .res 1
|
|
argtemp: .res 1
|
|
int: .res 2
|
|
num: .res 5
|
|
ext: .res 2
|
|
|
|
|
|
.code
|
|
|
|
; print a string to console, with (some) standard printf % codes converted
|
|
; inputs: AX = pointer to 'argument list'
|
|
; first word in argument list is the string to be printed
|
|
; subsequent words in argument list are interpolated in to the string as
|
|
; it is displayed. (argument list is automagically created by the 'printf' macro
|
|
; defined in inc/printf.i)
|
|
; outputs: none
|
|
; supported % codes:
|
|
; %s: string (argument interpreted as pointer to null terminated string)
|
|
; %d: decimal number (arguement interpreted as 16 bit number)
|
|
; %x: hex number (arguement interpreted as 16 bit number)
|
|
; %c: char (arguement interpreted as pointer to single ASCII char)
|
|
; "field width" modifiers are also supported, e.g "%02x" to print 2 hex digits
|
|
console_printf:
|
|
stax argptr
|
|
ldy #0
|
|
lda (argptr),y
|
|
sta strptr
|
|
iny
|
|
lda (argptr),y
|
|
sta strptr + 1
|
|
iny
|
|
sty arg
|
|
|
|
ldy #0
|
|
@nextchar:
|
|
lda (strptr),y
|
|
bne :+
|
|
rts
|
|
: cmp #'%'
|
|
beq @printarg
|
|
|
|
cmp #'\'
|
|
beq @printescape
|
|
|
|
jsr console_out
|
|
|
|
@next:
|
|
iny
|
|
bne @nextchar
|
|
|
|
inc strptr + 1
|
|
jmp @nextchar
|
|
|
|
@printescape:
|
|
iny
|
|
bne :+
|
|
inc strptr + 1
|
|
: lda (strptr),y
|
|
ldx #esc_count - 1
|
|
: cmp esc_code,x
|
|
beq @escmatch
|
|
dex
|
|
bpl :-
|
|
bmi @next
|
|
@escmatch:
|
|
lda esc_char,x
|
|
jsr console_out
|
|
jmp @next
|
|
|
|
@printarg:
|
|
lda #0
|
|
sta fieldwidth
|
|
sta leadzero
|
|
lda #$ff
|
|
sta fieldwcnt
|
|
@argnext:
|
|
iny
|
|
bne :+
|
|
inc strptr + 1
|
|
: tya
|
|
pha
|
|
|
|
lda (strptr),y
|
|
|
|
cmp #'0' ; check for field width
|
|
bcc @notdigit
|
|
cmp #'9'+1
|
|
bcs @notdigit
|
|
and #$0f
|
|
bne :+ ; check for leading 0
|
|
inc fieldwcnt
|
|
bne :+
|
|
lda #$80
|
|
sta leadzero
|
|
pla
|
|
tay
|
|
jmp @argnext
|
|
: pha ; multiply old value by 10
|
|
asl fieldwidth
|
|
lda fieldwidth
|
|
asl
|
|
asl
|
|
clc
|
|
adc fieldwidth
|
|
sta fieldwidth
|
|
pla
|
|
clc ; add new value
|
|
adc fieldwidth
|
|
sta fieldwidth
|
|
pla
|
|
tay
|
|
jmp @argnext
|
|
|
|
@notdigit:
|
|
cmp #'s'
|
|
beq @argstr
|
|
|
|
cmp #'d'
|
|
beq @argint
|
|
|
|
cmp #'x'
|
|
beq @arghex
|
|
|
|
cmp #'c'
|
|
beq @argchar
|
|
|
|
@argdone:
|
|
pla
|
|
tay
|
|
jmp @next
|
|
|
|
@argstr:
|
|
jsr @argax
|
|
jsr console_strout
|
|
|
|
jmp @argdone
|
|
|
|
@argint:
|
|
jsr @argax
|
|
stax valptr
|
|
jsr @valax
|
|
jsr printint
|
|
|
|
jmp @argdone
|
|
|
|
@arghex:
|
|
jsr @argax
|
|
stax valptr
|
|
jsr @valax
|
|
jsr printhex
|
|
|
|
jmp @argdone
|
|
|
|
@argchar:
|
|
jsr @argax
|
|
stax valptr
|
|
ldy #0
|
|
lda (valptr),y
|
|
jsr console_out
|
|
|
|
jmp @argdone
|
|
|
|
@argax:
|
|
ldy arg
|
|
lda (argptr),y
|
|
pha
|
|
iny
|
|
lda (argptr),y
|
|
tax
|
|
iny
|
|
sty arg
|
|
pla
|
|
rts
|
|
|
|
@valax:
|
|
ldy #0
|
|
lda (valptr),y
|
|
pha
|
|
iny
|
|
lda (valptr),y
|
|
tax
|
|
pla
|
|
rts
|
|
|
|
@printx:
|
|
txa
|
|
lsr
|
|
lsr
|
|
lsr
|
|
lsr
|
|
tay
|
|
lda hex2asc,y
|
|
jsr console_out
|
|
txa
|
|
and #$0f
|
|
tay
|
|
lda hex2asc,y
|
|
jmp console_out
|
|
|
|
; print 16-bit hexadecimal number
|
|
printhex:
|
|
tay
|
|
and #$0f
|
|
sta num + 3
|
|
tya
|
|
lsr
|
|
lsr
|
|
lsr
|
|
lsr
|
|
sta num + 2
|
|
|
|
txa
|
|
and #$0f
|
|
sta num + 1
|
|
txa
|
|
lsr
|
|
lsr
|
|
lsr
|
|
lsr
|
|
sta num
|
|
|
|
lda #4
|
|
sec
|
|
sbc fieldwidth
|
|
tax
|
|
bpl :+
|
|
jsr printlong
|
|
: cpx #4
|
|
beq @nowidth
|
|
|
|
@printlead:
|
|
lda num,x
|
|
bne @printrest
|
|
lda #' '
|
|
bit leadzero
|
|
bpl :+
|
|
lda #'0'
|
|
: jsr console_out
|
|
inx
|
|
cpx #3
|
|
bne @printlead
|
|
|
|
@nowidth:
|
|
ldx #0
|
|
: lda num,x
|
|
bne @printrest
|
|
inx
|
|
cpx #4
|
|
bne :-
|
|
lda #'0'
|
|
jsr console_out
|
|
rts
|
|
|
|
@printrest:
|
|
lda num,x
|
|
tay
|
|
lda hex2asc,y
|
|
jsr console_out
|
|
inx
|
|
cpx #4
|
|
bne @printrest
|
|
rts
|
|
|
|
printlong:
|
|
lda #' '
|
|
bit leadzero
|
|
bpl :+
|
|
lda #'0'
|
|
: jsr console_out
|
|
inx
|
|
bne :-
|
|
rts
|
|
|
|
; print a 16-bit integer
|
|
printint:
|
|
stax int
|
|
|
|
ldx #4
|
|
@next:
|
|
lda #0
|
|
sta num,x
|
|
jsr div10
|
|
lda ext
|
|
sta num,x
|
|
dex
|
|
bpl @next
|
|
|
|
lda fieldwidth
|
|
beq @nowidth
|
|
lda #5
|
|
sec
|
|
sbc fieldwidth
|
|
tax
|
|
bpl :+
|
|
jsr printlong
|
|
:
|
|
@printlead:
|
|
lda num,x
|
|
bne @print
|
|
|
|
lda #' '
|
|
bit leadzero
|
|
bpl :+
|
|
lda #'0'
|
|
: jsr console_out
|
|
inx
|
|
cpx #5
|
|
bne @printlead
|
|
beq @printzero
|
|
|
|
@nowidth:
|
|
inx
|
|
cpx #5
|
|
beq @printzero
|
|
lda num,x
|
|
beq @nowidth
|
|
|
|
@print:
|
|
clc
|
|
adc #'0'
|
|
jsr console_out
|
|
inx
|
|
cpx #5
|
|
beq @done
|
|
@printall:
|
|
lda num,x
|
|
jmp @print
|
|
|
|
@done:
|
|
rts
|
|
|
|
@printzero:
|
|
lda #'0'
|
|
jmp console_out
|
|
|
|
; 16/16-bit division, from the fridge
|
|
; int/aux -> int, remainder in ext
|
|
div10:
|
|
lda #0
|
|
sta ext+1
|
|
ldy #$10
|
|
@dloop:
|
|
asl int
|
|
rol int+1
|
|
rol
|
|
rol ext+1
|
|
pha
|
|
cmp #10
|
|
lda ext+1
|
|
sbc #0 ; is this a nop?
|
|
bcc @div2
|
|
sta ext+1
|
|
pla
|
|
sbc #10
|
|
pha
|
|
inc int
|
|
@div2:
|
|
pla
|
|
dey
|
|
bne @dloop
|
|
sta ext
|
|
rts
|
|
|
|
|
|
.rodata
|
|
|
|
msg_unimplemented:
|
|
.byte "<unimplemented>",0
|
|
|
|
hex2asc:
|
|
.byte "0123456789abcdef"
|
|
|
|
esc_code:
|
|
.byte "eabfnrt", '\'
|
|
esc_count = * - esc_code
|
|
esc_char:
|
|
.byte 27, 7, 8, 12, 10, 13, 9, '\'
|
|
|
|
|
|
|
|
; -- LICENSE FOR printf.s --
|
|
; The contents of this file are subject to the Mozilla Public License
|
|
; Version 1.1 (the "License"); you may not use this file except in
|
|
; compliance with the License. You may obtain a copy of the License at
|
|
; http://www.mozilla.org/MPL/
|
|
;
|
|
; Software distributed under the License is distributed on an "AS IS"
|
|
; basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
|
|
; License for the specific language governing rights and limitations
|
|
; under the License.
|
|
;
|
|
; The Original Code is ip65.
|
|
;
|
|
; The Initial Developer of the Original Code is Per Olofsson,
|
|
; MagerValp@gmail.com.
|
|
; Portions created by the Initial Developer are Copyright (C) 2009
|
|
; Per Olofsson. All Rights Reserved.
|
|
; -- LICENSE END --
|