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| From | Colin Leroy-Mira <colin@colino.net> |
|---|---|
| Newsgroups | comp.sys.apple2.programmer |
| Subject | Mousecard IRQs and VBL |
| Date | 2025-05-08 11:52 +0200 |
| Organization | A noiseless patient Spider |
| Message-ID | <20250508115229.200932b1@colino.net> (permalink) |
Hi, In case anyone's interested. An investigation about a MAME bug helped clear an apparently common misconception that the MouseCard's IRQ could not be "really" synced to vertical blanking. It can, and it is: https://www.colino.net/wordpress/en/archives/2025/05/08/yes-the-apple-ii-mousecard-irq-is-synced-to-the-vbl/ HTH, -- Colin
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Mousecard IRQs and VBL Colin Leroy-Mira <colin@colino.net> - 2025-05-08 11:52 +0200
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