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mirror of https://github.com/foxsen/archbase.git synced 2026-04-30 05:20:10 +08:00

initial import to public repository

This commit is contained in:
Zhang Fuxin
2021-10-27 19:14:51 +08:00
commit c632bed67e
362 changed files with 53748 additions and 0 deletions

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@@ -0,0 +1,9 @@
y~i+1~,y~i~,y~i-1~,操作
0,0,0,不需要加(+0
0,0,1,补码加X+[X]~补~
0,1,0,补码加X+[X]~补~
0,1,1,补码加2X+[X]~补~左移)
1,0,0,补码减2X-[X]~补~左移)
1,0,1,补码减X-[X]~补~
1,1,0,补码减X-[X]~补~
1,1,1,不需要加(+0
1 y~i+1~ y~i~ y~i-1~ 操作
2 0 0 0 不需要加(+0)
3 0 0 1 补码加X(+[X]~补~)
4 0 1 0 补码加X(+[X]~补~)
5 0 1 1 补码加2X(+[X]~补~左移)
6 1 0 0 补码减2X(-[X]~补~左移)
7 1 0 1 补码减X(-[X]~补~)
8 1 1 0 补码减X(-[X]~补~)
9 1 1 1 不需要加(+0)