Difference between revisions of "Non Maskable Interrupt"

From SinclairFAQ
Jump to: navigation, search
(Created page with "===Non-Maskable Interrupt=== An interrupt witch cannot be ignored by the CPU. Z80 CPU's 17th pin is the {{overline|NMI}} input. Negative edge triggered. When triggered, the...")
 
(No difference)

Latest revision as of 17:32, 25 August 2018

Non-Maskable Interrupt

An interrupt witch cannot be ignored by the CPU.

Z80 CPU's 17th pin is the NMI input. Negative edge triggered. When triggered, the CPU is forced to restart at location 0x0066 after the current instruction is executed.