Three lines of microcode.
https://assets.oldbytes.space/assets.oldbytes.space/media_attachments/files/110/005/941/618/987/004/original/46acbfb0aa059f0d.png
The 8086 processor uses microcode, implementing most machine instructions through a sequence of simpler micro-instructions. These micro-instructions can use the M and N registers to access registers specified in the instruction. This microcode exchanges two registers.
Bobinas P4G is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.
All Bobinas P4G content and data are available under the Creative Commons Attribution 3.0 license.