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https://opencores.org/ocsvn/eco32/eco32/trunk
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[/] [eco32/] [trunk/] [hwtests/] [tmrtest/] [tmrtest.s] - Rev 149
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; ; tmrtest.s -- test timer ; .set tmr_base,0xF0000000 .set io_base,0xF0300000 add $8,$0,tmr_base add $9,$0,50000000 ; divisor for 1 sec stw $9,$8,4 add $7,$0,'a'-10 again: jal out wait: add $8,$0,tmr_base ldw $9,$8,0 and $9,$9,1 beq $9,$0,wait stw $0,$8,0 add $7,$7,1 add $9,$0,'z'+1 bne $7,$9,again add $7,$0,'a' j again out: add $8,$0,io_base out1: ldw $9,$8,8 and $9,$9,1 beq $9,$0,out1 stw $7,$8,12 jr $31
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