2 ms·
In the IBM PC, HLT was used to wait for keyboard input, which came in as hardware interrupt and resumed execution.
by blueflow 4y ago
In the IBM PC, HLT was used to wait for keyboard input, which came in as hardware interrupt and resumed execution.
- flohofwoe 4y agoSame on Z80 home computers like the Amstrad CPC to synchronise execution with the (video) raster or vsync interrupt.