mirror of
https://github.com/bobbimanners/emailler.git
synced 2024-08-30 07:29:04 +00:00
111 lines
2.5 KiB
ArmAsm
111 lines
2.5 KiB
ArmAsm
.include "atari.inc"
|
|
.include "../inc/common.inc"
|
|
|
|
.export print_a
|
|
.export print_a_inverse
|
|
.export print_cr
|
|
.export cls
|
|
.export beep
|
|
|
|
|
|
.bss
|
|
|
|
char: .res 1
|
|
|
|
|
|
.code
|
|
|
|
; use ATARI CIOV function to display 1 char
|
|
; inputs: A should be set to ASCII char to display
|
|
; outputs: none
|
|
print_a:
|
|
cmp #10 ; is it a CR?
|
|
bne @not_lf
|
|
lda #ATEOL ; CR/LF char
|
|
@not_lf:
|
|
cmp #13 ; is it a LF?
|
|
bne @not_cr
|
|
lda #ATEOL ; CR/LF char
|
|
@not_cr:
|
|
sta char
|
|
txa
|
|
pha
|
|
tya
|
|
pha
|
|
ldax #1
|
|
stax ICBLL ; 2-byte buffer length
|
|
ldax #char
|
|
stax ICBAL ; 2-byte buffer address
|
|
ldx #PUTCHR ; put character(s)
|
|
stx ICCOM ; COMMAND CODE
|
|
ldx #0 ; use IOCB #0
|
|
jsr CIOV ; vector to CIO
|
|
pla
|
|
tay
|
|
pla
|
|
tax
|
|
rts
|
|
|
|
; use ATARI CIOV function to move to new line
|
|
; inputs: none
|
|
; outputs: none
|
|
print_cr:
|
|
lda #ATEOL ; CR/LF char
|
|
jmp print_a
|
|
|
|
; use ATARI CIOV function to clear the screen
|
|
; inputs: none
|
|
; outputs: none
|
|
cls:
|
|
lda #ATCLR ; clear screen
|
|
jmp print_a
|
|
|
|
; make a 'beep' noise the same way as the ROM does
|
|
; inputs: none
|
|
; outputs: none
|
|
beep:
|
|
tya ; FIXME: why is preservation of Y needed?
|
|
pha
|
|
ldy #20 ; do the next loop 20 times
|
|
@beep1:
|
|
ldx #63*2
|
|
@beep2:
|
|
stx CONSOL ; turn on speaker
|
|
lda VCOUNT ; current vertical line
|
|
@beep3:
|
|
cmp VCOUNT ; still the same?
|
|
beq @beep3 ; yes, delay...
|
|
dex
|
|
dex
|
|
bpl @beep2
|
|
dey
|
|
bpl @beep1
|
|
pla
|
|
tay
|
|
rts
|
|
|
|
print_a_inverse:
|
|
ora #$80 ; turn on top bit
|
|
jmp print_a
|
|
|
|
|
|
|
|
;-- LICENSE FOR atrprint.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 Jonno Downes,
|
|
; jonno@jamtronix.com.
|
|
; Portions created by the Initial Developer are Copyright (C) 2009
|
|
; Jonno Downes. All Rights Reserved.
|
|
; -- LICENSE END --
|