參數(shù)資料
型號: DRM042
英文描述: Universal Serial Bus Wireless Optical Mouse and Multimedia Keyboard reference design designer reference manual
中文描述: 通用串行總線無線光學(xué)鼠標(biāo)和多媒體鍵盤參考設(shè)計,設(shè)計參考手冊
文件頁數(shù): 44/80頁
文件大小: 1025K
代理商: DRM042
Software
Designer Reference Manual
DRM040 — Rev 0
44
Software
MOTOROLA
Figure 3-10. BINDEC
clear sign flag
Y
negative
BINDEC
test sign of 32-bit
input data
negate 32-bit
input data
preset loop
count to 32
return
clear result
area (5 bytes)
zero
N
shift input data
one bit to left
rotate result area
one bit left
recall loop counter
and decrement
save loop count
on stack
get LSB of result &
call cvdec2
save LSB of
result
get NSB of result &
call cvdec2
save NSB of
result
get NSB of result &
call cvdec2
save NSB of
result
get MSB of result &
call cvdec2
save MSB of
result
Y
cvdec2
save H:X on
stack
copy A to X
mask high nibble
compare against 5
add 3 to X
copy X to A
Y
negative
mask low nibble
compare against $50
add $30 to X
Y
negative
copy X to A
restore H:X from
stack
return
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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