emailler/client/drivers/rr-net.s
jonnosan 5218deb352 added mozilla public license
git-svn-id: http://svn.code.sf.net/p/netboot65/code@207 93682198-c243-4bdb-bd91-e943c89aac3b
2009-10-22 10:49:08 +00:00

56 lines
1.5 KiB
ArmAsm

; RR-Net driver
.export cs_init
.export cs_packet_page
.export cs_packet_data
.export cs_rxtx_data
.export cs_tx_cmd
.export cs_tx_len
.export cs_driver_name
rr_ctl = $de01 ;address of 'control' port on Retro-Replay
cs_packet_page = $de02 ;address of 'packet page' port on RR-Net
cs_packet_data = $de04;address of 'packet data' port on RR-Net
cs_rxtx_data = $de08 ;address of 'recieve/transmit data' port on RR-Net
cs_tx_cmd = $de0c;address of 'transmit command' port on RR-Net
cs_tx_len = $de0e;address of 'transmission length' port on RR-Net
.code
;initialise Retro Replay so we can access the network adapter
;inputs: none
;outputs: none
cs_init:
lda rr_ctl
ora #1
sta rr_ctl
rts
.rodata
cs_driver_name:
.asciiz "RR-NET"
;-- LICENSE FOR rr-net.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 --