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Can’t you just use a USB to parallel port adapter? Less than $5 on Aliexpress.
by supermatt 2y ago
Can’t you just use a USB to parallel port adapter? Less than $5 on Aliexpress.
- throwup238 2y agoNo, the controller used to be part of the motherboard chipset in a way that allowed DMA access to GPIO registers (so the CPU didn’t need to actively bit bang the port, drivers could just fill a buffer and offload it to the hardware) and interrupts that had priority over all other processes. USB simply doesn’t work like that.