3 ms·
Update: from the linked thread at https://68kmla.org/bb/index.php?threads/classic-ii-possible-rom-bug-weird-68030-instruction.49071/ https://68kmla.org/bb/index
by userbinator 2y ago
Update: from the linked thread at https://68kmla.org/bb/index.php?threads/classic-ii-possible-rom-bug-weird-68030-instruction.49071/ https://68kmla.org/bb/index.php?threads/classic-ii-possible-... there is this quote that supports my theory:
This seems to put something into A1 [...]If you clear bit 3 from the second word of the instruction this stops happening.
- dougg3 2y agoIt also appears that I may not have been the first one to discover that something odd was going on with that bit, causing it to use A0-A7 (with weird results) instead of D0-D7: https://eab.abime.net/showthread.php?t=119675 https://eab.abime.net/showthread.php?t=119675