ZHCU032K December 2004 – August 2022 MSP430AFE221 , MSP430AFE222 , MSP430AFE223 , MSP430AFE231 , MSP430AFE232 , MSP430AFE233 , MSP430AFE251 , MSP430AFE252 , MSP430AFE253 , MSP430F2001 , MSP430F2002 , MSP430F2003 , MSP430F2011 , MSP430F2012 , MSP430F2013 , MSP430F2101 , MSP430F2111 , MSP430F2112 , MSP430F2121 , MSP430F2122 , MSP430F2131 , MSP430F2132 , MSP430F2132-EP , MSP430F2232 , MSP430F2234 , MSP430F2252 , MSP430F2252-Q1 , MSP430F2254 , MSP430F2272 , MSP430F2272-Q1 , MSP430F2274 , MSP430F2274-EP , MSP430F233 , MSP430F2330 , MSP430F235 , MSP430F2350 , MSP430F2370 , MSP430F2410 , MSP430F2416 , MSP430F2417 , MSP430F2418 , MSP430F2419 , MSP430F247 , MSP430F2471 , MSP430F248 , MSP430F2481 , MSP430F249 , MSP430F2491 , MSP430F2616 , MSP430F2617 , MSP430F2618 , MSP430F2619 , MSP430G2001 , MSP430G2101 , MSP430G2102 , MSP430G2111 , MSP430G2112 , MSP430G2121 , MSP430G2131 , MSP430G2132 , MSP430G2152 , MSP430G2153 , MSP430G2201 , MSP430G2201-Q1 , MSP430G2202 , MSP430G2203 , MSP430G2210 , MSP430G2211 , MSP430G2212 , MSP430G2213 , MSP430G2221 , MSP430G2230 , MSP430G2231 , MSP430G2231-Q1 , MSP430G2232 , MSP430G2233 , MSP430G2252 , MSP430G2253 , MSP430G2302 , MSP430G2303 , MSP430G2312 , MSP430G2313 , MSP430G2332 , MSP430G2333 , MSP430G2352 , MSP430G2353 , MSP430G2402 , MSP430G2403 , MSP430G2412 , MSP430G2413 , MSP430G2432 , MSP430G2433 , MSP430G2444 , MSP430G2452 , MSP430G2453 , MSP430G2513 , MSP430G2533 , MSP430G2544 , MSP430G2553 , MSP430G2744 , MSP430G2755 , MSP430G2855 , MSP430G2955 , MSP430TCH5E
* DEC[.W] | 递减目的 | |
* DEC.B | 递减目的 | |
句法 | DEC dst 或 DEC.W dst | |
DEC.B dst | ||
操作 | dst – 1 → dst | |
仿真 | SUB #1,dst | |
SUB.B #1,dst | ||
说明 | 目的操作数减 1。原先的内容丢失。 | |
状态位 | N: | 如果结果为负,则置 1,如果为正,则复位 |
Z: | 如果 dst 包含 1,则置 1;否则复位 | |
C: | 如果 dst 包含 0,则复位;否则置 1 | |
V: | 如果发生算术溢出,则置 1;否则复位。 | |
如果目的的初始值为 08000h,则置 1;否则复位。 | ||
如果目的的初始值为 080h,则置 1;否则复位。 | ||
模式位 | OSCOFF,CPUOFF 和 GIE 不受影响。 | |
示例 | R10 递减 1。 |
DEC R10 ; Decrement R10
; Move a block of 255 bytes from memory location starting with EDE to
; memory location starting with TONI.Tables should not overlap: start of
; destination address TONI must not be within the range EDE to EDE+0FEh
MOV #EDE,R6
MOV #510,R10
L$1 MOV @R6+,TONI-EDE-1(R6)
DEC R10
JNZ L$1
不要上面具有图 4-35中所显示的交迭的例程来传送表格。 |