參數(shù)資料
型號(hào): ST20GP6
英文描述: MAX 7000 CPLD 256 MC 208-RQFP
中文描述: GPS處理器
文件頁數(shù): 42/116頁
文件大小: 1107K
代理商: ST20GP6
ST20-GP1
42/116
Memory
code
Mnemonic
Processor
cycles
Name
Notes
27F3
cflerr
2
check floating point error
E
29FC
fptesterr
1
load value true (FPU not present)
26F3
unpacksn
4
unpack single length floating point number
A
26FD
roundsn
7
round single length floating point number
A
26FC
postnormsn
7 to 8
post-normalize correction of single length float-
ing point number
A
27F1
ldinf
load single length infinity
Table 6.16 Floating point support operation codes
Memory
code
Mnemonic
Processor
cycles
Name
Notes
2CF7
cir
2 to 4
check in range
A, E
2CFC
ciru
2 to 4
check in range unsigned
A, E
2BFA
cb
2 to 3
check byte
A, E
2BFB
cbu
2 to 3
check byte unsigned
A, E
2FFA
cs
2 to 3
check sixteen
A, E
2FFB
csu
2 to 3
check sixteen unsigned
A, E
2FF8
xsword
2
sign extend sixteen to word
A
2BF8
xbword
3
sign extend byte to word
A
Table 6.17 Range checking and conversion instructions
Memory
code
Mnemonic
Processor
cycles
Name
Notes
2CF1
ssub
1
sixteen subscript
2CFA
ls
1
load sixteen
2CF8
ss
2
store sixteen
2BF9
lbx
1
load byte and sign extend
2FF9
lsx
1
load sixteen and sign extend
Table 6.18 Indexing/array instructions
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