 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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vor 5 Jahren |
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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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vor 5 Jahren |
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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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vor 5 Jahren |
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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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vor 5 Jahren |
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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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vor 5 Jahren |
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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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vor 5 Jahren |
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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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vor 5 Jahren |
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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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vor 5 Jahren |
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Bryan Miller
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2433ed5e8f
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Branches coded.
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vor 5 Jahren |
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Bryan Miller
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58e181fac5
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MOS6502 CPU buildout.
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vor 5 Jahren |
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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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vor 5 Jahren |
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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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vor 5 Jahren |
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Bryan Miller
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fdee76c879
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Reorganization of source files.
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vor 5 Jahren |
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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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vor 5 Jahren |
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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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vor 5 Jahren |
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Bryan Miller
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44451f10cc
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Added tests for MOS6502.Assembler, most still pending completion.
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vor 5 Jahren |
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Bryan Miller
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a4413cd7ba
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Fixed bug calculating value for indirect calls.
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vor 5 Jahren |
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Bryan Miller
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28ed010e64
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Fixed some bugs with a dummy test file (to be removed and replaced with a mocha test).
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vor 5 Jahren |
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Bryan Miller
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1100b23ea5
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Jump and Var labels complete.
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vor 5 Jahren |
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Bryan Miller
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90a8c38b57
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Jump labels stored. Added some reminder TODOs
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vor 5 Jahren |
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Bryan Miller
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22a70bc711
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All op-codes filled out in assmebler.
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vor 5 Jahren |
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Bryan Miller
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346ea6787c
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More op assembly defined.
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vor 5 Jahren |
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Bryan Miller
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5a94e35213
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Fleshing out the 6502 Assembler.
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vor 5 Jahren |
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Bryan Miller
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23b49ed571
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Renamed class. Started adding Assembler class.
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vor 5 Jahren |
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Bryan Miller
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973c44e991
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Renamed 6502 file to match exported class. Roughed out the class.
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vor 5 Jahren |
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Bryan Miller
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ff07d6a8b9
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Basic start of 6502 chip emulation. Mostly empty.
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vor 5 Jahren |
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Bryan Miller
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adcafab80e
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Added empty stub to keep directory
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vor 5 Jahren |
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Bryan Miller
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c9436f8fea
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Added node modules for testing. Tweaked .gitignore
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vor 5 Jahren |
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Bryan Miller
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99c67da1bf
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Memory class is now being treated as an interface. Bank takes the place of Memory and Bank extends Memory. MMC also extends Memory.
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vor 5 Jahren |
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Bryan Miller
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9a50ab2514
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mmSwitchRegister() finished.
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vor 5 Jahren |
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Bryan Miller
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a5c854d8de
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Minor method rename
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vor 5 Jahren |
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Bryan Miller
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d50088f4d5
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Changed source file path.
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vor 5 Jahren |
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Bryan Miller
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d873bd773c
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MMC mostly completed.
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vor 5 Jahren |
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Bryan Miller
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9cf2d0a87a
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Memory can now call a callback function when specific memory addresses have been written to.
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vor 5 Jahren |
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Bryan Miller
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93c57a9768
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Clock modified to no longer be a singleton.
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vor 5 Jahren |
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Bryan Miller
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eed4178665
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Preliminary implementations for memory modules and a memory mapping controller (MMC).
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vor 5 Jahren |
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Bryan Miller
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d669be3206
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Clock to dictate speed of 'connected devices'.
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vor 5 Jahren |
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Bryan Miller
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52f0e1c7f1
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Initial commit for F8
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vor 5 Jahren |
