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[/] [eco32/] [trunk/] [monitor/] [monitor/] [common/] [serial.s] - Blame information for rev 277

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;
; serial.s -- the serial line interface
;
 
;***************************************************************
 
        .set    ser0base,0xF0300000     ; serial line 0 base address
        .set    ser1base,0xF0301000     ; serial line 1 base address
 
        .export ser0init                ; line 0 initialization
        .export ser0inchk               ; line 0 input check
        .export ser0in                  ; line 0 input
        .export ser0outchk              ; line 0 output check
        .export ser0out                 ; line 0 output
 
        .export ser1init                ; line 1 initialization
        .export ser1inchk               ; line 1 input check
        .export ser1in                  ; line 1 input
        .export ser1outchk              ; line 1 output check
        .export ser1out                 ; line 1 output
 
;***************************************************************
 
        .code
        .align  4
 
ser0init:
        jr      $31
 
ser0inchk:
        add     $8,$0,ser0base
        ldw     $2,$8,0
        and     $2,$2,1
        jr      $31
 
ser0in:
        add     $8,$0,ser0base
ser0in1:
        ldw     $9,$8,0
        and     $9,$9,1
        beq     $9,$0,ser0in1
        ldw     $2,$8,4
        jr      $31
 
ser0outchk:
        add     $8,$0,ser0base
        ldw     $2,$8,8
        and     $2,$2,1
        jr      $31
 
ser0out:
        add     $8,$0,ser0base
ser0out1:
        ldw     $9,$8,8
        and     $9,$9,1
        beq     $9,$0,ser0out1
        stw     $4,$8,12
        jr      $31
 
;***************************************************************
 
        .code
        .align  4
 
ser1init:
        jr      $31
 
ser1inchk:
        add     $8,$0,ser1base
        ldw     $2,$8,0
        and     $2,$2,1
        jr      $31
 
ser1in:
        add     $8,$0,ser1base
ser1in1:
        ldw     $9,$8,0
        and     $9,$9,1
        beq     $9,$0,ser1in1
        ldw     $2,$8,4
        jr      $31
 
ser1outchk:
        add     $8,$0,ser1base
        ldw     $2,$8,8
        and     $2,$2,1
        jr      $31
 
ser1out:
        add     $8,$0,ser1base
ser1out1:
        ldw     $9,$8,8
        and     $9,$9,1
        beq     $9,$0,ser1out1
        stw     $4,$8,12
        jr      $31

Line No.	Rev	Author	Line
1	59	hellwig	`;`
2			`; serial.s -- the serial line interface`
3			`;`
4
5			`;***************************************************************`
6
7			`.set ser0base,0xF0300000 ; serial line 0 base address`
8			`.set ser1base,0xF0301000 ; serial line 1 base address`
9
10	182	hellwig	`.export ser0init ; line 0 initialization`
11	59	hellwig	`.export ser0inchk ; line 0 input check`
12			`.export ser0in ; line 0 input`
13			`.export ser0outchk ; line 0 output check`
14			`.export ser0out ; line 0 output`
15
16	182	hellwig	`.export ser1init ; line 1 initialization`
17	59	hellwig	`.export ser1inchk ; line 1 input check`
18			`.export ser1in ; line 1 input`
19			`.export ser1outchk ; line 1 output check`
20			`.export ser1out ; line 1 output`
21
22			`;***************************************************************`
23
24			`.code`
25			`.align 4`
26
27	182	hellwig	`ser0init:`
28	59	hellwig	`jr $31`
29
30			`ser0inchk:`
31			`add $8,$0,ser0base`
32			`ldw $2,$8,0`
33			`and $2,$2,1`
34			`jr $31`
35
36			`ser0in:`
37			`add $8,$0,ser0base`
38			`ser0in1:`
39			`ldw $9,$8,0`
40			`and $9,$9,1`
41			`beq $9,$0,ser0in1`
42			`ldw $2,$8,4`
43			`jr $31`
44
45			`ser0outchk:`
46			`add $8,$0,ser0base`
47			`ldw $2,$8,8`
48			`and $2,$2,1`
49			`jr $31`
50
51			`ser0out:`
52			`add $8,$0,ser0base`
53			`ser0out1:`
54			`ldw $9,$8,8`
55			`and $9,$9,1`
56			`beq $9,$0,ser0out1`
57			`stw $4,$8,12`
58			`jr $31`
59
60			`;***************************************************************`
61
62			`.code`
63			`.align 4`
64
65	182	hellwig	`ser1init:`
66			`jr $31`
67
68	59	hellwig	`ser1inchk:`
69			`add $8,$0,ser1base`
70			`ldw $2,$8,0`
71			`and $2,$2,1`
72			`jr $31`
73
74			`ser1in:`
75			`add $8,$0,ser1base`
76			`ser1in1:`
77			`ldw $9,$8,0`
78			`and $9,$9,1`
79			`beq $9,$0,ser1in1`
80			`ldw $2,$8,4`
81			`jr $31`
82
83			`ser1outchk:`
84			`add $8,$0,ser1base`
85			`ldw $2,$8,8`
86			`and $2,$2,1`
87			`jr $31`
88
89			`ser1out:`
90			`add $8,$0,ser1base`
91			`ser1out1:`
92			`ldw $9,$8,8`
93			`and $9,$9,1`
94			`beq $9,$0,ser1out1`
95			`stw $4,$8,12`
96			`jr $31`

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[/] [eco32/] [trunk/] [monitor/] [monitor/] [common/] [serial.s] - Blame information for rev 277