mirror of
https://github.com/bobbimanners/emailler.git
synced 2024-10-14 21:24:04 +00:00
77 lines
1.2 KiB
ArmAsm
77 lines
1.2 KiB
ArmAsm
|
;originally from Per Olofsson's IP65 library - http://www.paradroid.net/ip65
|
||
|
|
||
|
; ip65 main routines
|
||
|
|
||
|
.include "../inc/common.i"
|
||
|
|
||
|
.export ip65_init
|
||
|
.export ip65_process
|
||
|
|
||
|
.export ip65_ctr
|
||
|
.export ip65_ctr_arp
|
||
|
.export ip65_ctr_ip
|
||
|
|
||
|
.import eth_init
|
||
|
.import timer_init
|
||
|
.import arp_init
|
||
|
.import ip_init
|
||
|
|
||
|
.import eth_inp
|
||
|
.import eth_rx
|
||
|
|
||
|
.import ip_process
|
||
|
.import arp_process
|
||
|
|
||
|
.importzp eth_proto_arp
|
||
|
|
||
|
|
||
|
.bss
|
||
|
|
||
|
ip65_ctr: .res 1 ; incremented for every incoming packet
|
||
|
ip65_ctr_arp: .res 1 ; incremented for every incoming arp packet
|
||
|
ip65_ctr_ip: .res 1 ; incremented for every incoming ip packet
|
||
|
|
||
|
|
||
|
.code
|
||
|
|
||
|
; initialize stack
|
||
|
ip65_init:
|
||
|
|
||
|
|
||
|
jsr eth_init ; initialize ethernet driver
|
||
|
|
||
|
bcs @fail
|
||
|
jsr timer_init ; initialize timer
|
||
|
jsr arp_init ; initialize arp
|
||
|
jsr ip_init ; initialize ip, icmp, udp, and tcp
|
||
|
clc
|
||
|
@fail:
|
||
|
rts
|
||
|
|
||
|
|
||
|
; maintenance routine
|
||
|
; polls for packets, and dispatches to listeners
|
||
|
ip65_process:
|
||
|
jsr eth_rx ; check for incoming packets
|
||
|
bcs @done
|
||
|
|
||
|
lda eth_inp + 12 ; type should be 08xx
|
||
|
cmp #8
|
||
|
bne @done
|
||
|
|
||
|
lda eth_inp + 13
|
||
|
; cmp #eth_proto_ip ; ip = 00
|
||
|
beq @ip
|
||
|
cmp #eth_proto_arp ; arp = 06
|
||
|
beq @arp
|
||
|
@done:
|
||
|
rts
|
||
|
|
||
|
@arp:
|
||
|
inc ip65_ctr_arp
|
||
|
jmp arp_process
|
||
|
|
||
|
@ip:
|
||
|
inc ip65_ctr_ip
|
||
|
jmp ip_process
|