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https://github.com/bobbimanners/emailler.git
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git-svn-id: http://svn.code.sf.net/p/netboot65/code@305 93682198-c243-4bdb-bd91-e943c89aac3b
This commit is contained in:
jonnosan
parent
5740643890
commit
c6794ff026
@ -634,7 +634,7 @@ temp_filename_end:
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.byte 0
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credits:
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.byte 10,"License: Mozilla Public License v1.1",10,"http://www.mozilla.org/MPL/"
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.byte 10,"License: Mozilla Public License v1.1",10
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.byte 10
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.byte 10,"Contributors:",10
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.byte 10,"Jonno Downes"
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@ -15,7 +15,8 @@ DRIVERS=\
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apple2prog.lib \
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c64rrnet.lib \
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c64wiznet.lib \
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vic20rrnet.lib \
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vic20rrnet.lib \
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all: $(DRIVERS)
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@ -29,9 +30,12 @@ c64rrnet.lib: c64print.o rr-net.o c64timer.o c64kernal.o c64inputs.o cbm_disk_ac
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c64wiznet.lib: w5100.o c64print.o c64timer.o c64kernal.o c64inputs.o cbm_disk_access.o petscii_charconv.o c64_vt100.o
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ar65 a $@ $^
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vic20rrnet.lib: vic20print.o vic20-rr-net.o vic20timer.o cbm_disk_access.o petscii_charconv.o cs8900a.o
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ar65 a $@ $^
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vic20rrnet.lib: vic20print.o vic20-rr-net.o vic20timer.o vic20input.o cbm_disk_access.o petscii_charconv.o cs8900a.o
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ar65 a $@ $^
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clean:
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rm -f *.o
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203
client/drivers/vic20input.s
Normal file
203
client/drivers/vic20input.s
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@ -0,0 +1,203 @@
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.export get_key
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.export get_filtered_input
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.export filter_text
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.export filter_ip
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.export filter_dns
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.export filter_url
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.export filter_number
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.export check_for_abort_key
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.export get_key_if_available
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.export get_key_ip65
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.importzp copy_src
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.import ip65_process
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.include "../inc/common.i"
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.code
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allowed_ptr=copy_src ;reuse zero page
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;use Vic 20 Kernel ROM function to read a key
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;inputs: none
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;outputs: A contains ASCII value of key just pressed
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get_key:
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jsr get_key_if_available
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beq get_key
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rts
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;use VIC 20 Kernel ROM function to read a key
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;inputs: none
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;outputs: A contains ASCII value of key just pressed (0 if no key pressed)
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get_key_if_available=$f1f9 ;not officially documented - where F1f5 (GETIN) falls through to if device # is 0 (KEYBD)
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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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beq get_key_ip65
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rts
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;check whether the RUN/STOP key is being pressed
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;inputs: none
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;outputs: sec if RUN/STOP pressed, clear otherwise
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check_for_abort_key:
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lda $cb ;current key pressed
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cmp #$18
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bne @not_abort
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@flush_loop:
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jsr get_key_if_available
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bne @flush_loop
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lda $cb ;current key pressed
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cmp #$18
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beq @flush_loop
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sec
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rts
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@not_abort:
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clc
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rts
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;cribbed from http://codebase64.org/doku.php?id=base:robust_string_input
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;======================================================================
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;Input a string and store it in GOTINPUT, terminated with a null byte.
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;AX is a pointer to the allowed list of characters, null-terminated.
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;set AX to $0000 for no filter on input
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;max # of chars in y returns num of chars entered in y.
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;======================================================================
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; Main entry
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get_filtered_input:
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sty MAXCHARS
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stax temp_allowed
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;Zero characters received.
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lda #$00
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sta INPUT_Y
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;Wait for a character.
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@input_get:
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jsr get_key
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sta LASTCHAR
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cmp #$14 ;Delete
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beq @delete
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cmp #$0d ;Return
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beq @input_done
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;End reached?
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lda INPUT_Y
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cmp MAXCHARS
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beq @input_get
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;Check the allowed list of characters.
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ldax temp_allowed
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stax allowed_ptr ;since we are reusing this zero page, it may not stil be the same value since last time!
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ldy #$00
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lda allowed_ptr+1 ;was the input filter point nul?
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beq @input_ok
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@check_allowed:
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lda (allowed_ptr),y ;Overwritten
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beq @input_get ;Reached end of list (0)
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cmp LASTCHAR
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beq @input_ok ;Match found
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;Not end or match, keep checking
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iny
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jmp @check_allowed
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@input_ok:
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lda LASTCHAR ;Get the char back
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ldy INPUT_Y
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sta GOTINPUT,y ;Add it to string
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jsr $ffd2 ;Print it
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inc INPUT_Y ;Next character
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;Not yet.
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jmp @input_get
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@input_done:
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ldy INPUT_Y
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beq @no_input
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lda #$00
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sta GOTINPUT,y ;Zero-terminate
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clc
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ldax #GOTINPUT
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rts
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@no_input:
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sec
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rts
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; Delete last character.
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@delete:
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;First, check if we're at the beginning. If so, just exit.
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lda INPUT_Y
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bne @delete_ok
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jmp @input_get
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;At least one character entered.
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@delete_ok:
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;Move pointer back.
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dec INPUT_Y
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;Store a zero over top of last character, just in case no other characters are entered.
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ldy INPUT_Y
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lda #$00
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sta GOTINPUT,y
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;Print the delete char
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lda #$14
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jsr $ffd2
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;Wait for next char
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jmp @input_get
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;=================================================
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;Some example filters
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;=================================================
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filter_text:
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.byte ",!#'()* "
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filter_url:
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.byte ":/%&?+$"
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filter_dns:
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.byte "-ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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filter_ip:
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.byte "."
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filter_number:
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.byte "1234567890",0
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;=================================================
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.bss
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temp_allowed: .res 2
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MAXCHARS: .res 1
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LASTCHAR: .res 1
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INPUT_Y: .res 1
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GOTINPUT: .res 40
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; The contents of this file are subject to the Mozilla Public License
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; Version 1.1 (the "License"); you may not use this file except in
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; compliance with the License. You may obtain a copy of the License at
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; http://www.mozilla.org/MPL/
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;
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; Software distributed under the License is distributed on an "AS IS"
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; basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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; License for the specific language governing rights and limitations
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; under the License.
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;
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; The Original Code is ip65.
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;
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; The Initial Developer of the Original Code is Jonno Downes,
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; jonno@jamtronix.com.
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; Portions created by the Initial Developer are Copyright (C) 2009
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; Jonno Downes. All Rights Reserved.
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; -- LICENSE END --
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@ -11,6 +11,8 @@
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.import timer_read
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.import timer_seconds
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.import beep
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.import check_for_abort_key
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.import get_key_if_available
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.segment "STARTUP" ;this is what gets put at the start of the file on the C64
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.word basicstub ; load address
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@ -46,7 +48,11 @@ init:
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beq @loop
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sta last_seconds
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jsr print_hex
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jmp @loop
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jsr check_for_abort_key
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bcc @loop
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; jsr get_key_if_available
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; beq @loop
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jsr print_hex
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rts
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