| ; AX forms | |
| add ax,5 | |
| add ax,byte 5 | |
| add ax,word 5 | |
| add ax,-128 | |
| add ax,byte -128 | |
| add ax,word -128 | |
| add ax,0x7f | |
| add ax,byte 0x7f | |
| add ax,word 0x7f | |
| add ax,0x80 | |
| add ax,byte 0x80 | |
| add ax,word 0x80 | |
| add ax,0x100 | |
| add ax,byte 0x100 | |
| add ax,word 0x100 | |
| ; non-AX forms | |
| add bx,5 | |
| add bx,byte 5 | |
| add bx,word 5 | |
| add bx,-128 | |
| add bx,byte -128 | |
| add bx,word -128 | |
| add bx,0x7f | |
| add bx,byte 0x7f | |
| add bx,word 0x7f | |
| add bx,0x80 | |
| add bx,byte 0x80 | |
| add bx,word 0x80 | |
| add bx,0x100 | |
| add bx,byte 0x100 | |
| add bx,word 0x100 | |