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Diff Rev Age Author Log Message
(edit) @251   10 years campbell Separate out soundness of exec_expr from definition.
(edit) @250   10 years campbell Begin separating soundness from executable semantics.
(edit) @249   10 years mulligan More work on defining fundamental datatypes.
(edit) @248   10 years mulligan More changes. Added datatype for addressing modes.
(edit) @247   10 years mulligan Changes to get directory to compile.
(edit) @246   10 years mulligan Added physical file (Arithmetic) for arithmetic on bit vectors, and …
(edit) @245   10 years campbell Some progress on whole-execution soundness.
(edit) @244   10 years mulligan Vector.ma now compiles.
(edit) @243   10 years mulligan Updated Util.ma too.
(edit) @242   10 years mulligan Got List to compile.
(edit) @241   10 years mulligan Also needed an updated List.ma.
(edit) @240   10 years mulligan Updated Vector / BitVector? files taken from my Matita library.
(edit) @239   10 years campbell More work on soundness and completeness of executable Clight semantics.
(edit) @238   10 years mulligan More work on bitvectors.
(edit) @237   10 years mulligan More functions on bitvectors written.
(edit) @236   10 years mulligan Strange problem with matita and the Maybe file? Cannot find Maybe.ng.
(edit) @235   10 years mulligan More work on bitvectors.
(edit) @234   10 years mulligan Division and modulus implemented. All necessary orders on naturals …
(edit) @233   10 years mulligan Changes from this morning: Bool / Prop division = nightmare.
(edit) @232   10 years mulligan Lots of work from today. Writing bitvector library is harder than it …
(edit) @231   10 years mulligan BitVector? stuff from this morning: need further development of Nat …
(edit) @230   10 years mulligan Lots of work from today.
(edit) @229   10 years mulligan More changes.
(edit) @228   10 years mulligan Conjunction, disjunction and 'xorjunction' implemented on bitvectors. …
(edit) @227   10 years campbell Update notation in an example.
(edit) @226   10 years campbell Some incomplete work on completeness of CexecIO wrt Csem. Features …
(edit) @225   10 years campbell Missing case in cast.
(edit) @224   10 years mulligan Changes to bit vectors and vectors.
(edit) @223   10 years mulligan File for bitvector specific stuff added.
(edit) @222   10 years mulligan Datatype for fixed length lists (vectors) as well as some recursive …
(edit) @221   10 years mulligan Starting formalisation in Matita
(edit) @220   10 years mulligan Started on timer 2 capture mode.
(edit) @219   10 years mulligan Additional features of timer 2 auto reload implemented.
(edit) @218   10 years mulligan Timer 2 16 bit auto reload implemented.
(edit) @217   10 years mulligan Back to the drawing board with interrupts ... giving up and …
(edit) @216   10 years mulligan Interrupts are harder than they look.
(edit) @215   10 years mulligan More on implementation of interrupts. Need to add a queue for …
(edit) @214   10 years mulligan Started implementation of interrupts.
(edit) @213   10 years mulligan implementing interrupts
(edit) @212   10 years mulligan Refactored main emulator loop to improve clarity. Debugging serial …
(edit) @211   10 years campbell Make io_inject definition more straightforward.
(edit) @210   10 years mulligan Three new opcodes ticked off. Going through remaining untested …
(edit) @209   10 years mulligan Compiled again.
(edit) @208   10 years campbell Fix up IO monad syntax.
(edit) @207   10 years campbell Add memory extensions and rework parts of D3.1.
(edit) @206   10 years mulligan Fixed serial output.
(edit) @205   10 years mulligan Reworked handling of serial port input, and implemented remaining …
(edit) @204   10 years mulligan Added file that performs both serial input and output on the 8051.
(edit) @203   10 years mulligan Serial input test: seems to work correctly (small bug corrected where …
(edit) @202   10 years mulligan Remaining two timer modes implemented.
(edit) @201   10 years mulligan Implemented output onto P1 and P3 lines, implemented a few of the …
(edit) @200   10 years mulligan New features: 1) conditional jumps to labels implemented [Note: …
(edit) @199   10 years mulligan Fixes to debug code to make serial output more clear. CJNE/JNZ is not …
(edit) @198   10 years mulligan Added more info to status printout. Found weird bug in emulator: cjne …
(edit) @197   10 years campbell Add some first draft text for 3.1.
(edit) @196   10 years mulligan Improvements to processor status output. Now includes readout of main …
(edit) @195   10 years mulligan Added printout of processor status when we enter the infinite SJMP …
(edit) @194   10 years mulligan Oops: small change caused compile to fail. Works again, now.
(edit) @193   10 years mulligan Fixed type errors relating to serial output. The serial port code …
(edit) @192   10 years campbell matita rev in README
(edit) @191   10 years mulligan Changed way we handle I/O due to assert false bug on first serial I/O …
(edit) @190   10 years campbell Minor changes to work with current matita HEAD (r10998).
(edit) @189   10 years campbell Rework monad notation so that it is displayed well in proof mode.
(edit) @188   10 years mulligan Added README file for Roberto.
(edit) @187   10 years mulligan Bug found in IO handling. Something is throwing assert false.
(edit) @186   10 years mulligan Added C code to write to SBUF SFR for Roberto.
(edit) @185   10 years mulligan Found a way to inline SDCC ASM directly into C to test hard to reach …
(edit) @184   10 years mulligan Found out how to directly access 8051's registers from C code. Added …
(edit) @183   10 years mulligan A few more opcodes covered. Emulator seems to work fine on LFSR program.
(edit) @182   10 years mulligan Linear feedback shift register (random number generator) example added.
(edit) @181   10 years campbell Sort out some axioms.
(edit) @180   10 years mulligan Arctan floating point approximation code. 8051 really struggles with …
(edit) @179   10 years mulligan Program executes as required.
(edit) @178   10 years campbell Bring README file up to date.
(edit) @177   10 years campbell Missing cost labels file.
(edit) @176   10 years campbell Remove old executable semantics without I/O.
(edit) @175   10 years campbell Add cost labels, with the semantics that the label is added to the …
(edit) @174   10 years campbell Add a form of non-terminating functional semantics.
(edit) @173   10 years campbell Minor changes for newer versions of matita.
(edit) @172   10 years mulligan JZ was not buggy after all (miscount of loop cycles). Branchless …
(edit) @171   10 years mulligan Parity check program. Bug found with jump zero instruction. A few …
(edit) @170   10 years mulligan Emulator successfully emulates rounding program.
(edit) @169   10 years mulligan Latest test C file: fast roundup to closest power of two.
(edit) @168   10 years mulligan Implemented latch access.
(edit) @167   10 years mulligan Fast inverse square root C code, emulator mostly does fine running it …
(edit) @166   10 years mulligan I/O support added for serial buffer.
(edit) @165   10 years mulligan Some example C programs that the emulator can run.
(edit) @164   10 years mulligan Successfully compiled a C program with a struct passed by pointer to a …
(edit) @163   10 years mulligan Fixed bug with JNB not jumping correctly.
(edit) @162   10 years mulligan Timers implemented (including demonic thirteen bit timer).
(edit) @161   10 years mulligan Type errors fixed. Add16 with carry implemented.
(edit) @160   10 years campbell Patch to acc to parse 8051 memory spaces and output matita terms.
(edit) @159   10 years mulligan Code for timers now in place. Needs further implementation.
(edit) @158   10 years mulligan Lots of bugs fixed. SFR access implemented.
(edit) @157   10 years campbell Make proposed memory spaces semantics more explicit.
(edit) @156   10 years campbell pdata support
(edit) @155   10 years campbell More sensible handling of integer types and pointer casts.
(edit) @154   10 years campbell Minor test case changes
(edit) @153   10 years campbell Use appropriate memory chunks for 8051 pointers.
(edit) @152   10 years campbell Force whd form for memory during execution
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