mirror of
https://github.com/bobbimanners/emailler.git
synced 2025-02-25 13:29:04 +00:00
56 lines
766 B
ArmAsm
56 lines
766 B
ArmAsm
;originally from Per Olofsson's IP65 library - http://www.paradroid.net/ip65
|
|
|
|
; Common ethernet driver code
|
|
|
|
|
|
.include "../inc/common.i"
|
|
|
|
.export eth_set_broadcast_dest
|
|
.export eth_set_my_mac_src
|
|
.export eth_set_proto
|
|
|
|
.exportzp eth_proto_ip
|
|
.exportzp eth_proto_arp
|
|
|
|
.import eth_outp
|
|
|
|
.import cfg_mac
|
|
|
|
|
|
; ethernet packet offsets
|
|
eth_dest = 0 ; destination address
|
|
eth_src = 6 ; source address
|
|
eth_type = 12 ; packet type
|
|
eth_data = 14 ; packet data
|
|
|
|
; protocols
|
|
eth_proto_ip = 0
|
|
eth_proto_arp = 6
|
|
|
|
|
|
.code
|
|
|
|
eth_set_broadcast_dest:
|
|
ldx #5
|
|
lda #$ff
|
|
: sta eth_outp,x
|
|
dex
|
|
bpl :-
|
|
rts
|
|
|
|
|
|
eth_set_my_mac_src:
|
|
ldx #5
|
|
: lda cfg_mac,x
|
|
sta eth_outp + 6,x
|
|
dex
|
|
bpl :-
|
|
rts
|
|
|
|
|
|
eth_set_proto:
|
|
sta eth_outp + eth_type + 1
|
|
lda #8
|
|
sta eth_outp + eth_type
|
|
rts
|