 Bryan Miller
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825b7f5d0b
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Parser no longer has 'prog'. Now just uses 'block'.
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5 år sedan |
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Bryan Miller
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a77ac0537a
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Renamed the compiler to assembler.
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5 år sedan |
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Bryan Miller
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f1528e3a8d
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Environment class can now have a 'special' variable for the Program Counter defined (using the PCLabel property).
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5 år sedan |
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Bryan Miller
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da3a8b826f
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Parser can now have it's Program Counter Label (PCLabel) defined. Defaults to '__PC__'. The symbole '*' is no longer used.
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5 år sedan |
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Bryan Miller
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b3262793c0
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Number of parser fixes. OpCode parser now properly parses Indirect op codes.
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5 år sedan |
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Bryan Miller
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e8c246247f
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Removed stray console.log() command.
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5 år sedan |
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Bryan Miller
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7e92c653b7
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Added compiler environment class.
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5 år sedan |
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Bryan Miller
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6c7235577f
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MOS/6502/tpl.js contains objects and functions used by Tokenizer and Parser to allow them to codify 6502 assembly.
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5 år sedan |
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Bryan Miller
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54d32839f0
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Parser functional and turned into a class. Tokenizer now has a tokenize() method. Both Parser and Tokenizer have been moved from MOS/6502/assembler into the compiler folder. Both Parser and Tokenizer have op code identification generalized out... which should allow Parser and Tokenizer to be used for more than one CPU type.
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5 år sedan |
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Bryan Miller
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58201c6cf6
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Parse coming along
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5 år sedan |
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Bryan Miller
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4e64570f32
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More buildout of the parser
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5 år sedan |
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Bryan Miller
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908ba8852d
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Tokenizer will now only accept multi-line strings if the newline is preceeded by a backspace.
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5 år sedan |
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Bryan Miller
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aa79ab6340
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More 6502 assembly parser work.
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5 år sedan |
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Bryan Miller
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f02c5c4ef9
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Working on the parser. :-/
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5 år sedan |
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Bryan Miller
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c5c72ee036
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Tokenizer now outputs opcodes as their own token.
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5 år sedan |
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Bryan Miller
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da0816d194
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Started work on parser.
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5 år sedan |
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Bryan Miller
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9a3cb5162f
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Tokenizer finished.
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5 år sedan |
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Bryan Miller
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198ef7d18d
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Started work on a new assembler for the 6502 cpu. Something cleaner!
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5 år sedan |
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Bryan Miller
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92e960dd07
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Modified memory/MMC to allow 'writePassthrough' (enabled by default) which will pass any write attempt to a writable chunk of memory within the same bank if one is available. Updated tests as needed.
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5 år sedan |
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Bryan Miller
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5237ac8a8c
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Added module index file for src/MOS.
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5 år sedan |
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Bryan Miller
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2784031e8a
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Broke up the src/memory/memory.js file into rom, ram, and shadow. Updated src/memory/index.js and tests as needed.
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5 år sedan |
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Bryan Miller
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37709db2ee
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Moved all MOS-based chips into a single MOS directory. Modified test names to match. Updated all affected files to reflect new path and file name changes.
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5 år sedan |
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Bryan Miller
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35333360c1
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IO moved from common to root. Adjusted modules to use the new IO path.
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5 år sedan |
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Bryan Miller
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887c5adfd3
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MOS6502/cpu has the method .hardReset(). Improvements to ALU function, especially in BCD math. Tests enhanced and added test for ADC Immediate BCD mode.
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5 år sedan |
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Bryan Miller
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fd49d3d657
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MOS6502.cpu increasing of program counter slightly modified, fixed some minor bugs. MOS6502.cpu tests updated to be cleaner and clearer and include from flag testing in the existing ADC/SBC tests.
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5 år sedan |
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Bryan Miller
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55bde60f14
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Enhanced ALU with BCD mode and fixed ADC/SBC flag results.
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5 år sedan |
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Bryan Miller
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e7a447abfc
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Clock can now handle 'layers'. Every added layer reduces call speed of grouped components by <hz>/<# layers>.
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5 år sedan |
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Bryan Miller
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e65b597706
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Clock moved from common to the root src path. Renamed some tests. Combined utils.bcd and utils.bitman tests into a unified utils test. Utils path can now be imported like a module.
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5 år sedan |
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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 år sedan |
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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 år sedan |
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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 år sedan |
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Bryan Miller
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4772ddfaf5
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Tweaks to MOSCIA
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5 år sedan |
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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 år sedan |
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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 år sedan |
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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 år sedan |
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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 år sedan |
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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 år sedan |
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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 år sedan |
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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 år sedan |
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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 år sedan |
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Bryan Miller
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f8ef85f77f
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Tweaks to MOSCIA
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5 år sedan |
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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 år sedan |
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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 år sedan |
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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 år sedan |
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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 år sedan |
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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 år sedan |
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Bryan Miller
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a9ba4f14ec
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Minor tweaks to Clock
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5 år sedan |
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Bryan Miller
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2e5ad3880a
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Bug fixes
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5 år sedan |
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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 år sedan |
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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 år sedan |
