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[/] [eco32/] [trunk/] [hwtests/] [tlbtest/] [serial.s] - Diff between revs 14 and 149

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Rev 14 Rev 149
;
;
; serial.s -- the serial line interface
; serial.s -- the serial line interface
;
;
 
 
;***************************************************************
;***************************************************************
 
 
        .set    ser0base,0xF0300000     ; serial line 0 base address
        .set    ser0base,0xF0300000     ; serial line 0 base address
        .set    ser1base,0xF0300010     ; serial line 1 base address
        .set    ser1base,0xF0301000     ; serial line 1 base address
 
 
        .export serinit                 ; initialize serial interface
        .export serinit                 ; initialize serial interface
 
 
        .export ser0inchk               ; line 0 input check
        .export ser0inchk               ; line 0 input check
        .export ser0in                  ; line 0 input
        .export ser0in                  ; line 0 input
        .export ser0outchk              ; line 0 output check
        .export ser0outchk              ; line 0 output check
        .export ser0out                 ; line 0 output
        .export ser0out                 ; line 0 output
 
 
        .export ser1inchk               ; line 1 input check
        .export ser1inchk               ; line 1 input check
        .export ser1in                  ; line 1 input
        .export ser1in                  ; line 1 input
        .export ser1outchk              ; line 1 output check
        .export ser1outchk              ; line 1 output check
        .export ser1out                 ; line 1 output
        .export ser1out                 ; line 1 output
 
 
;***************************************************************
;***************************************************************
 
 
        .code
        .code
        .align  4
        .align  4
 
 
serinit:
serinit:
        jr      $31
        jr      $31
 
 
;***************************************************************
;***************************************************************
 
 
        .code
        .code
        .align  4
        .align  4
 
 
ser0inchk:
ser0inchk:
        add     $8,$0,ser0base
        add     $8,$0,ser0base
        ldw     $2,$8,0
        ldw     $2,$8,0
        and     $2,$2,1
        and     $2,$2,1
        jr      $31
        jr      $31
 
 
ser0in:
ser0in:
        add     $8,$0,ser0base
        add     $8,$0,ser0base
ser0in1:
ser0in1:
        ldw     $9,$8,0
        ldw     $9,$8,0
        and     $9,$9,1
        and     $9,$9,1
        beq     $9,$0,ser0in1
        beq     $9,$0,ser0in1
        ldw     $2,$8,4
        ldw     $2,$8,4
        jr      $31
        jr      $31
 
 
ser0outchk:
ser0outchk:
        add     $8,$0,ser0base
        add     $8,$0,ser0base
        ldw     $2,$8,8
        ldw     $2,$8,8
        and     $2,$2,1
        and     $2,$2,1
        jr      $31
        jr      $31
 
 
ser0out:
ser0out:
        add     $8,$0,ser0base
        add     $8,$0,ser0base
ser0out1:
ser0out1:
        ldw     $9,$8,8
        ldw     $9,$8,8
        and     $9,$9,1
        and     $9,$9,1
        beq     $9,$0,ser0out1
        beq     $9,$0,ser0out1
        stw     $4,$8,12
        stw     $4,$8,12
        jr      $31
        jr      $31
 
 
;***************************************************************
;***************************************************************
 
 
        .code
        .code
        .align  4
        .align  4
 
 
ser1inchk:
ser1inchk:
        add     $8,$0,ser1base
        add     $8,$0,ser1base
        ldw     $2,$8,0
        ldw     $2,$8,0
        and     $2,$2,1
        and     $2,$2,1
        jr      $31
        jr      $31
 
 
ser1in:
ser1in:
        add     $8,$0,ser1base
        add     $8,$0,ser1base
ser1in1:
ser1in1:
        ldw     $9,$8,0
        ldw     $9,$8,0
        and     $9,$9,1
        and     $9,$9,1
        beq     $9,$0,ser1in1
        beq     $9,$0,ser1in1
        ldw     $2,$8,4
        ldw     $2,$8,4
        jr      $31
        jr      $31
 
 
ser1outchk:
ser1outchk:
        add     $8,$0,ser1base
        add     $8,$0,ser1base
        ldw     $2,$8,8
        ldw     $2,$8,8
        and     $2,$2,1
        and     $2,$2,1
        jr      $31
        jr      $31
 
 
ser1out:
ser1out:
        add     $8,$0,ser1base
        add     $8,$0,ser1base
ser1out1:
ser1out1:
        ldw     $9,$8,8
        ldw     $9,$8,8
        and     $9,$9,1
        and     $9,$9,1
        beq     $9,$0,ser1out1
        beq     $9,$0,ser1out1
        stw     $4,$8,12
        stw     $4,$8,12
        jr      $31
        jr      $31
 
 

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