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start:
call blankall
pause
pause
call senda
call sleep
call blankall
pause
pause
call sendb
call sleep
j start
blankall:
la a0,channel1
la a1,msgblank
li a7,129 # Send digilines message
ecall
la a0,channel2
ecall
la a0,channel3
ecall
la a0,channel4
ecall
ret
senda:
la a0,channel1
la a1,msg1a
la a7,129 # Send digilines message
ecall
la a0,channel2
la a1,msg2a
ecall
la a0,channel3
la a1,msg3a
ecall
la a0,channel4
la a1,msg4a
ecall
ret
sendb:
la a0,channel1
la a1,msg1b
la a7,129 # Send digilines message
ecall
la a0,channel2
la a1,msg2b
ecall
la a0,channel3
la a1,msg3b
ecall
la a0,channel4
la a1,msg4b
ecall
ret
sleep:
rdtime t0
addi t0,t0,4
sleep_loop:
rdtime t1
csrw 0x800,1 # Lightweight mode on
pause
csrw 0x800,0 # Lightweight mode off
bltu t1,t0,sleep_loop
ret
channel1: .asciz "1"
channel2: .asciz "2"
channel3: .asciz "3"
channel4: .asciz "4"
# "RINGROAD"
# " CLOSED "
# " AT "
# "NORTH ST"
# " FOLLOW "
# " DETOUR "
# " "
# " "
msg1a: .asciz "RING CLO"
msg2a: .asciz "ROADSED "
msg3a: .asciz " ANORT"
msg4a: .asciz "T H ST"
msg1b: .asciz " FOL DET"
msg2b: .asciz "LOW OUR "
msg3b: .asciz " "
msg4b: .asciz " "
msgblank: .asciz " "
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