2 ms·
There are some real gems in there. I especially liked the idea of CR2 and CR3 as scratchpad registers when memory access is really slow (386SX and cacheless 38
by phire 2y ago
There are some real gems in there.
I especially liked the idea of CR2 and CR3 as scratchpad registers when memory access is really slow (386SX and cacheless 386DXs). And the trick of using ESP as a loop counter without disabling interrupts (by making sure it always points to a valid stack location) is just genius.
- ndegruchy 2y agoYes! I know nothing about low level programming, but the idea of using a register that you don't need for a fast 'memory' location is particularly clever.