Commit Graph

27 Commits

Author SHA1 Message Date
Thiago Auler 7cd85b7cdd
implementation of indirect JMP's bug 2017-12-01 08:52:50 -02:00
Thiago Auler dos Santos 6bb5014964 correcting BRK jump 2017-11-28 20:34:08 -02:00
Thiago Auler dos Santos 9d0fb5bb4b adjusting stack addressing 2017-11-28 01:10:02 -02:00
Thiago Auler dos Santos cb84e4fe95 little reminder for future... 2017-11-26 02:07:20 -02:00
Thiago Auler dos Santos 1deb00495d accepting numbers, text, and other symbols as user input 2017-11-22 23:28:49 -02:00
Thiago Auler dos Santos bac269c9c2 correcting subtraction 2017-11-22 19:47:01 -02:00
Thiago Auler 258a9f6692
correcting adder/subtractor 2017-11-22 13:18:54 -02:00
Thiago Auler 50a17cd13b
creating interface i/o functions 2017-11-20 12:35:05 -02:00
Thiago Auler dos Santos 152c6e15fa start implementation for I/O in the machine 2017-11-17 20:54:19 -02:00
Thiago Auler 6eb4aaa858
correcting pc on branches and jumps 2017-11-17 09:23:46 -02:00
Thiago Auler dos Santos 3cfe0390b8 little adjustments... woz monitor tentative run 2017-11-16 23:21:21 -02:00
Thiago Auler dos Santos 5392839714 implementation of all opcodes 2017-11-16 22:09:03 -02:00
Thiago Auler dos Santos d67f57b752 implementing relative addressing mode 2017-11-16 20:12:06 -02:00
Thiago Auler c9624f1971
better implementing the adder and subtractor 2017-11-16 08:13:48 -02:00
Thiago Auler dos Santos 680f44ed30 creating Xcode project and adjusting extern variables. 2017-11-16 00:28:59 -02:00
Thiago Auler 6651b76f61 Merge branch 'master' of github.com:thiagoauler/apple1 2017-11-14 19:43:49 -02:00
Thiago Auler 10e4cbbdb5 some handling for video output 2017-11-14 19:42:36 -02:00
Thiago Auler bb31cc3386
implmenting more opcodes 2017-11-14 16:06:51 -02:00
Thiago Auler 57159c7484
implementing a simple adder and subtractor 2017-11-14 15:54:56 -02:00
Thiago Auler f23c89dfce initial code for the opcodes 2017-11-13 21:13:20 -02:00
Thiago Auler c39eaab7d9 coding the addressing modes 2017-11-13 17:40:03 -02:00
Thiago Auler 4ced079268 coding the addressing modes 2017-11-13 17:39:10 -02:00
Thiago Auler 8d7e748f68 further refactoring 2017-11-13 01:02:14 -02:00
Thiago Auler dfd4419db9 refactoring code to simplify it 2017-11-12 23:00:52 -02:00
Thiago Auler 10f9063872 cleaning decode source code 2017-11-12 22:27:51 -02:00
Thiago Auler d942e682ae all opcodes decoded 2017-11-12 14:02:30 -02:00
Thiago Auler 3444289ea9 adding all the files to the repository 2017-11-12 00:31:55 -02:00