URL
https://opencores.org/ocsvn/eco32/eco32/trunk
[/] [eco32/] [trunk/] [simtest/] [rom/] [rom05.s] - Diff between revs 9 and 25
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| Rev 9 |
Rev 25 |
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; rom05.s -- Hello, world! (on terminal 1 instead of terminal 0)
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; rom05.s -- Hello, world! (on terminal 1 instead of terminal 0)
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;
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; $8 I/O base address
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; $8 I/O base address
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; $9 temporary value
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; $9 temporary value
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; $10 character
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; $10 character
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; $11 pointer to string
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; $11 pointer to string
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; $31 return address
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; $31 return address
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.set tba,0xF0300010
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.set tba,0xF0301000
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add $8,$0,tba
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add $8,$0,tba
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add $11,$0,hello
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add $11,$0,hello
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loop:
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loop:
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ldbu $10,$11,0
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ldbu $10,$11,0
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stop:
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stop:
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beq $10,$0,stop
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beq $10,$0,stop
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jal out
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jal out
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add $11,$11,1
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add $11,$11,1
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j loop
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j loop
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out:
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out:
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ldw $9,$8,8
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ldw $9,$8,8
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and $9,$9,1
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and $9,$9,1
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beq $9,$0,out
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beq $9,$0,out
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stw $10,$8,12
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stw $10,$8,12
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jr $31
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jr $31
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hello:
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hello:
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.byte "Hello, world!", 0x0D, 0x0A, 0
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.byte "Hello, world!", 0x0D, 0x0A, 0
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