Z80 interrupts: Difference between revisions
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(Created page with "=IRQ= {{Chipname|Z80}} IRQs can be generated by the {{Chipname|YM2610}}, and are mostly used to time music playback. The vector address is '''$0038'''. They can be disabled...") |
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Revision as of 00:48, 12 October 2016
IRQ
Z80 IRQs can be generated by the YM2610, and are mostly used to time music playback.
The vector address is $0038.
They can be disabled in software (DI/EI).
NMI
Non Maskable Interrupts are triggered when the 68k sends a sound command.
The vector address is $0066.
They can only be disabled through ports $08 and $18.