OpenCores
URL https://opencores.org/ocsvn/usb_fpga_2_13/usb_fpga_2_13/trunk

Subversion Repositories usb_fpga_2_13

[/] [usb_fpga_2_13/] [trunk/] [bin/] [peeph.def] - Rev 2

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replace {
        mov     dptr,%1
        movx    a,@dptr
        mov     %2,a
        mov     dptr,%1
} by {
        ; peep hole 1001, saves 3 bytes
        mov     dptr,%1
        movx    a,@dptr
        mov     %2,a
}


replace {
        mov     dptr,%1
        movx    a,@dptr
        mov     %3,a
        mov     dptr,%2
        movx    a,@dptr
        mov     %4,a
        mov     a%5,%4
        mov     %4,#0x00
        mov     %6,#0x00
        mov     dptr,%7
        mov     a,%4
        orl     a,%3
        movx    @dptr,a
        mov     a,%5
        orl     a,%6
        inc     dptr
        movx    @dptr,a
} by {
        ; peep hole 1001, saves 10 bytes
        mov     dptr,%2
        movx    a,@dptr
        mov     %4,a
        mov     dptr,%1
        movx    a,@dptr
        mov     dptr,%7
        movx    @dptr,a
        mov     a,%4
        inc     dptr
        movx    @dptr,a
}

replace {
        mov     dptr,%1
        movx    a,@dptr
        mov     %3,a
        mov     a%4,%3
        mov     %3,#0x00
        mov     dptr,%2
        movx    a,@dptr
        mov     %5,a
        mov     %6,#0x00
        mov     dptr,%7
        mov     a,%5
        orl     a,%3
        movx    @dptr,a
        mov     a,%6
        orl     a,%4
        inc     dptr
        movx    @dptr,a
} by {
        ; peep hole 1002, saves 10 bytes
        mov     dptr,%1
        movx    a,@dptr
        mov     %4,a
        mov     dptr,%2
        movx    a,@dptr
        mov     dptr,%7
        movx    @dptr,a
        mov     a,%4
        inc     dptr
        movx    @dptr,a
}

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