serial.S File Reference

Variables
section serial	cog
section serial ax global Fds_entry compress off start org Fds_entry neg	PHSA
section serial ax global Fds_entry compress off start org Fds_entry neg mov	CTRA
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov	DIRA
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov	CTRB
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov	FRQB
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong	Step_clocks
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong	OUTB
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov	Timestamp
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov	PHSB
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret	Lockstep_ret
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov	Bits_in
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks	wz
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test	Maskrx
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr	Data_in
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add	Rx_ptr
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong	Bytes_out
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret	Tx_jump
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov	Write_ptr
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte	Tmp
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte Write_ptr add or jmpret mov	INA
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte Write_ptr add or jmpret mov INA and Maskcts nr if_nz jmp shl sar mov Tmp mov	Half_bits_out
section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte Write_ptr add or jmpret mov INA and Maskcts nr if_nz jmp shl sar mov Tmp mov Tx_main tx_bit jmpret xor	Write_bit

Variable Documentation

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz Bits_in

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte Write_ptr add or jmpret mov INA and Maskcts nr if_nz jmp shl sar mov Tmp mov Tx_main tx_bit jmpret xor djnz jmpret djnz wrlong Bytes_out

section serial cog

section serial ax global Fds_entry compress off start org Fds_entry neg mov CTRA

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov CTRB

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Data_in

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov DIRA

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov FRQB

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte Write_ptr add or jmpret mov INA and Maskcts nr if_nz jmp shl sar mov Tmp mov Tx_main tx_bit jmpret xor djnz Half_bits_out

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte Write_ptr add or jmpret mov INA and INA

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Lockstep_ret

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test Maskrx

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong OUTB

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte Write_ptr add or jmpret mov INA and Maskcts nr if_nz jmp shl sar mov PHSA

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz PHSB

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Rx_ptr

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Step_clocks

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Timestamp

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte Write_ptr add or jmpret mov INA and Maskcts nr if_nz jmp shl sar Tmp

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte Write_ptr add or jmpret mov INA and Maskcts nr if_nz jmp shl sar mov Tmp mov Tx_main tx_bit jmpret xor djnz jmpret djnz wrlong PAR jmpret Tx_jump

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte Write_ptr add or jmpret mov INA and Maskcts nr if_nz jmp shl sar mov Tmp mov Tx_main tx_bit jmpret xor Write_bit

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte Write_ptr add Write_ptr

section serial ax global Fds_entry compress off start org Fds_entry neg mov Ctra_val mov Masktx mov Ctrb_val mov rdlong Period_ptr wrlong PAR mov Step_clocks add CNT Rx_cleanup mov Rx_main jmpret Tx_jump mov PHSB wz if_z jmp jmpret Tx_jump cmp Step_clocks wc if_b jmpret Tx_jump mov Rx_main get_bit jmpret Tx_jump test INA wc rcr jmpret Tx_jump djnz shr jmpret Tx_jump test INA wc if_nc jmp add Rx_head_ptr wrbyte Rx_ptr add jmpret Tx_jump cmpsub Rx_end_ptr wc if_nc sub Rx_head_ptr wrword Update_head_ptr tjz Tx_jump jmp Lockstep waitcnt Step_clocks ror Write_bit Lockstep_ret jmp Tx_main rdlong PAR jmpret rdlong Period_ptr jmpret tjz mov Bytes_out shr add jmpret Tx_main tx_byte rdbyte Write_ptr add or jmpret mov INA and Maskcts wz