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5 Commits

Author SHA1 Message Date
Thomas Harte
6892ac13e8 Corrects BIT. All 65816-applicable Wolfgang Lorenz tests now pass. 2020-10-10 17:47:33 -04:00
Thomas Harte
7dde7cc743 Implements altered direct indexed addressing in emulation mode. 2020-10-08 22:02:14 -04:00
Thomas Harte
7439a326a6 Implements BIT (in regular and immediate forms). 2020-10-07 18:15:18 -04:00
Thomas Harte
e068cbc103 Implements CMP and fixes a zero-flag error on 16-bit operations. 2020-10-06 21:47:26 -04:00
Thomas Harte
18e8d6ce06 Makes an effort to factor out the 6502's [lazy] flags. 
This is preparatory to deciding which instructions, if any, are worth factoring out.
 2020-10-05 22:23:33 -04:00