 Bryan Miller
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fa33745af9
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MOSCIA Fixed typo and CNT is no longer automatically set to zero at the end of a phi2 tick.
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5 anos atrás |
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Bryan Miller
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0d26e362ad
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Fixed issues with interrupts. Fixed bugs in TimerA.
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5 anos atrás |
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Bryan Miller
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de34b64ed7
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Fixed TOD issues. Working on interrupt issues.
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5 anos atrás |
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Bryan Miller
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4772ddfaf5
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Tweaks to MOSCIA
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5 anos atrás |
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Bryan Miller
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4e28ffbe91
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RAM, ROM, and Shadow memory now use the new IO class. Dropped the Listener helper class.
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5 anos atrás |
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Bryan Miller
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59978a550d
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Renamed wireable.js to io.js to match exported class name. Fixed bug
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5 anos atrás |
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Bryan Miller
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07593c8ca9
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Created class that can handle specialty IO events.
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5 anos atrás |
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Bryan Miller
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80201048c1
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Bug fixes to MOS CIA Serialization.
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5 anos atrás |
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Bryan Miller
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d3b1742795
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MOS CIA can now be reset. Serial communication implemented.
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5 anos atrás |
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Bryan Miller
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9abb5bcf4e
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MOS CIA Interrupt control/mask mechanics in place.
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5 anos atrás |
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Bryan Miller
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e13f5b0e96
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CIA Timers A/B coded.
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5 anos atrás |
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Bryan Miller
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f7ed007df4
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Rework of the CIA TOD registers.
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5 anos atrás |
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Bryan Miller
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f8ef85f77f
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Tweaks to MOSCIA
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5 anos atrás |
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Bryan Miller
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c1f1f23ec4
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Memory now has a peek() and poke() method; like read() and write() respectively, but will not trigger listeners.
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5 anos atrás |
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Bryan Miller
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613d11b016
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MOSCIA will now uses utils/bcd and TOD clock should work... untested.
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5 anos atrás |
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Bryan Miller
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d443ff4c3a
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More work on utils/bcd and added unit tests.
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5 anos atrás |
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Bryan Miller
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a162b4ae88
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Started working a BCD helper, and an implementation of the MOS CIA chip.
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5 anos atrás |
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Bryan Miller
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ecd453d812
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Moved MOS6502 out of the chip directory. Adjusted tests accordingly.
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5 anos atrás |
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Bryan Miller
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a9ba4f14ec
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Minor tweaks to Clock
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5 anos atrás |
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Bryan Miller
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2e5ad3880a
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Bug fixes
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5 anos atrás |
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Bryan Miller
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4c9f047a7d
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Fixed the .address property behaviour
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5 anos atrás |
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Bryan Miller
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dda1c22cc6
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Fixed a couple bugs. Removed mmSwitchRegister(). Added switchBank()
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5 anos atrás |
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Bryan Miller
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30f95044b1
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Rewrote .load() method.
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5 anos atrás |
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Bryan Miller
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9d773f6894
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Added pages property to memory. Bringing MMC more inline with IMem interface.
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5 anos atrás |
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Bryan Miller
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495c5b6d13
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Memory module bug fixes. Memory test added.
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5 anos atrás |
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Bryan Miller
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beab01695c
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Rewrote memory classes and put them in their own folder. Updated MOS6502/cpu and relavent tests.
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5 anos atrás |
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Bryan Miller
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8744d3cc60
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Fixed bug with LDX Absolute,Y
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5 anos atrás |
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Bryan Miller
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bed8ec0d7b
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Fixed a typo
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5 anos atrás |
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Bryan Miller
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5781e7617a
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Added interrupt handlers (by way of psuedo hijacking BRK) and make reset a property. Updated tests accordingly.
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5 anos atrás |
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Bryan Miller
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e92b54db8a
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Finished coding all opcodes.
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5 anos atrás |
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Bryan Miller
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baed6e66e4
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Added dedicated StackPush() and StackPop() methods. Fixed BRK and JSR opcodes. Wrote RTS and RTI opcodes.
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5 anos atrás |
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Bryan Miller
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9265cb255c
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Added the ROL and ROR opcodes.
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5 anos atrás |
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Bryan Miller
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3e179155fd
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More opcodes finished.
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5 anos atrás |
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Bryan Miller
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145fb53143
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Added LDA opcode. Tweaking ALU()
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5 anos atrás |
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Bryan Miller
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50526cd864
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MATHC() broken into ADC() and SBC() once again. ProccessOp() handles memory and value access in the various mode types and returns true when the process who generate an outcome.
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5 anos atrás |
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Bryan Miller
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b31404b6d6
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Fixed conflict with BIT (using BITM for the utility file). Method reset() should now match basic 6502 reset mechanics.
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5 anos atrás |
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Bryan Miller
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a8ad08b32d
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Method rename and two new methods added to Bank class.
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5 anos atrás |
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Bryan Miller
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b9802d895a
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ADC() method turned into the MATHC() method which can be used for both the ADC and SBC op codes. CPU.clk() updated accordingly.
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5 anos atrás |
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Bryan Miller
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fa1b9f9d91
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ALU() method modified to directly use and set the cpu.__AR value. ADC() Adjusted according to the new ALU() changes.
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5 anos atrás |
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Bryan Miller
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52e51110b8
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Added ALU and the ADC op code.
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5 anos atrás |
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Bryan Miller
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004d99d851
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Can now get the direct bit value with the new .val() method.
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5 anos atrás |
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Bryan Miller
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30132b152e
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Fixed the order of the status register flags and initialized the status register to 32 (bit 5 on).
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5 anos atrás |
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Bryan Miller
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0ab6bb54b8
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Branching fixed. Added Register, Flag, and Stack commands.
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5 anos atrás |
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Bryan Miller
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2433ed5e8f
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Branches coded.
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5 anos atrás |
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Bryan Miller
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58e181fac5
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MOS6502 CPU buildout.
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5 anos atrás |
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Bryan Miller
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7f25738377
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Tokenizer handles strings. Directives use handlers. Updated tests.
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5 anos atrás |
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Bryan Miller
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3daef52868
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MOS6502 moved into src/chip/MOS6502 and broken into two different files. Tests have been flattened.
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5 anos atrás |
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Bryan Miller
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fdee76c879
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Reorganization of source files.
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5 anos atrás |
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Bryan Miller
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6e68f6e8d2
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Added a small utility for bit manipulation. Tests included.
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5 anos atrás |
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Bryan Miller
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bd3c510e07
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MOS6502 bug fixes, added compiler directive '.bytes'. All directives will now start with a period (including 'define'). Tests updated.
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5 anos atrás |
