| 缩写 | 全称 | 中文释义 |
|---|---|---|
| AC | Align Centre | 中心对齐 |
| WCC | Write Control Character | 写控制字符 |
| CLR | Clear | 清除 |
| ECL | Executive Command Level | 执行指挥层 |
| SW | Signed Word | 符号字 |
| WHCR | Write Handling Control Register | 写处理控制寄存器 |
| RMB | Reserve Memory Block | 保留内存块 |
| SFP | Send For Pizza | 送比萨饼 |
| DL | Display and Lock | 显示和锁定 |
| DRI | Disable Random Interrupt | 禁用随机中断 |