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[/] [eco32/] [tags/] [eco32-0.24/] [simtest/] [rom/] [rom09.s] - Rev 282
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; ; rom09.s -- string output with timing loop ; ; $8 I/O base address ; $9 temporary value ; $10 character ; $11 pointer to string ; $12 timer base address ; $13 timer value ; $31 return address .set oba,0xF0300000 .set tba,0xF0000000 add $8,$0,oba add $12,$0,tba add $11,$0,hello loop: ldbu $10,$11,0 stop: beq $10,$0,stop jal out add $11,$11,1 jal timing j loop out: stw $10,$8,12 jr $31 timing: ldw $13,$12,8 sub $9,$13,0x03C00000 tim1: ldw $13,$12,8 bgtu $13,$9,tim1 jr $31 hello: .byte "Hello, world!", 0x0D, 0x0A, 0
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