Commit graph

8 commits

Author SHA1 Message Date
Bastien Bouclet fe90271558 Fix the carry flag value for the CMP, CPX and CPY 6502 instructions
The CPU manual states "the carry flag is set when the value in memory is
less than or equal to the accumulator, reset when it is greater than the
accumulator".
2020-07-12 14:16:57 +02:00
Alessandro Gatti 1d82dccbd2
Call the IRQ vector this time. 2019-12-07 00:36:09 +01:00
Alessandro Gatti 8ce6d9c227 Properly model 6502's BRK opcode. 2019-09-24 02:44:28 +02:00
fortenbt c992585957 Remove IO default memory block from 6502 pspec
- Corrects the length of the zero page and stack memory blocks.
2019-08-07 12:03:36 -04:00
Alessandro Gatti 48150b1870 Use proper bit index for 6502 Interrupt flag. 2019-04-19 17:04:28 +02:00
emteere 008cf415b2 GT-2759 Fixed 6502 processor module Zero Page indexed addressing. 2019-04-15 16:42:57 -04:00
ghidra1 7179c6de81 GT-2667 added support for generating sleigh build.xml files 2019-03-29 17:24:31 -04:00
Dan 79d8f164f8 Candidate release of source code. 2019-03-26 13:46:51 -04:00