URL https://opencores.org/ocsvn/eco32/eco32/trunk

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[/] [eco32/] [trunk/] [hwtests/] [serial/] [fpga2pc/] [send0.s] - Blame information for rev 149

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;
; send.s -- send stream of bytes
;
 
; $8  serial base address
; $9  temporary value
; $10 character
; $11 counter
; $31 return address
 
        .set    tba,0xF0300000
 
        add     $8,$0,tba
        add     $11,$0,0
loop:
        add     $10,$11,0
        and     $10,$10,0xFF
        jal     out
        add     $11,$11,1
        j       loop
 
out:
        ldw     $9,$8,8
        and     $9,$9,1
        beq     $9,$0,out
        stw     $10,$8,12
        jr      $31

Line No.	Rev	Author	Line
1	14	hellwig	`;`
2			`; send.s -- send stream of bytes`
3			`;`
4
5			`; $8 serial base address`
6			`; $9 temporary value`
7			`; $10 character`
8			`; $11 counter`
9			`; $31 return address`
10
11			`.set tba,0xF0300000`
12
13			`add $8,$0,tba`
14			`add $11,$0,0`
15			`loop:`
16			`add $10,$11,0`
17			`and $10,$10,0xFF`
18			`jal out`
19			`add $11,$11,1`
20			`j loop`
21
22			`out:`
23			`ldw $9,$8,8`
24			`and $9,$9,1`
25			`beq $9,$0,out`
26			`stw $10,$8,12`
27			`jr $31`

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[/] [eco32/] [trunk/] [hwtests/] [serial/] [fpga2pc/] [send0.s] - Blame information for rev 149