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hardware:interrupts [2016/06/11 21:49] ex_writer [Screen Interrupts] |
hardware:interrupts [2016/06/11 21:50] ex_writer [Screen Interrupts] |
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* Enable screen interrupts and set its mode in INMOD ($E) | * Enable screen interrupts and set its mode in INMOD ($E) | ||
- | * Designate the target interrupt scanline in INLIN ($F)*** | + | * Designate the target interrupt scanline in INLIN ($F)+++ |
* Set the interrupt handler address... | * Set the interrupt handler address... | ||
* low byte in INFBK ($D) | * low byte in INFBK ($D) | ||
Line 55: | Line 55: | ||
* Enable interrupts with the EI opcode | * Enable interrupts with the EI opcode | ||
- | ***<wrap alert>necessary only with multiple interrupts? screen interrupts seem to function fine when only </wrap> | + | +++<wrap alert>necessary only with multiple interrupts? screen interrupts seem to function fine when INLIN isn't set </wrap> |
=== Interrupt Enable and Mode (INMOD) === | === Interrupt Enable and Mode (INMOD) === | ||