emailler/client/drivers/uthernet.s

29 lines
641 B
ArmAsm

;uthernet driver
;currently hardcoded to use slot 3 addresses only
.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
cs_rxtx_data = $c0b0 ;address of 'recieve/transmit data' port on Uthernet
cs_tx_cmd = $c0b4;address of 'transmit command' port on Uthernet
cs_tx_len = $c0b6;address of 'transmission length' port on Uthernet
cs_packet_page = $c0ba;address of 'packet page' port on Uthernet
cs_packet_data = $c0bc;address of 'packet data' port on Uthernet
.code
cs_init:
rts
.rodata
cs_driver_name:
.byte "UTHERNET",0