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Diff Rev Age Author Log Message
(edit) @241   9 years mulligan Also needed an updated
(edit) @240   9 years mulligan Updated Vector / BitVector? files taken from my Matita library.
(edit) @239   9 years campbell More work on soundness and completeness of executable Clight semantics.
(edit) @238   9 years mulligan More work on bitvectors.
(edit) @237   9 years mulligan More functions on bitvectors written.
(edit) @236   9 years mulligan Strange problem with matita and the Maybe file? Cannot find
(edit) @235   9 years mulligan More work on bitvectors.
(edit) @234   9 years mulligan Division and modulus implemented. All necessary orders on naturals …
(edit) @233   9 years mulligan Changes from this morning: Bool / Prop division = nightmare.
(edit) @232   9 years mulligan Lots of work from today. Writing bitvector library is harder than it …
(edit) @231   9 years mulligan BitVector? stuff from this morning: need further development of Nat …
(edit) @230   9 years mulligan Lots of work from today.
(edit) @229   9 years mulligan More changes.
(edit) @228   9 years mulligan Conjunction, disjunction and 'xorjunction' implemented on bitvectors. …
(edit) @227   9 years campbell Update notation in an example.
(edit) @226   9 years campbell Some incomplete work on completeness of CexecIO wrt Csem. Features …
(edit) @225   9 years campbell Missing case in cast.
(edit) @224   9 years mulligan Changes to bit vectors and vectors.
(edit) @223   9 years mulligan File for bitvector specific stuff added.
(edit) @222   9 years mulligan Datatype for fixed length lists (vectors) as well as some recursive …
(edit) @221   9 years mulligan Starting formalisation in Matita
(edit) @220   9 years mulligan Started on timer 2 capture mode.
(edit) @219   9 years mulligan Additional features of timer 2 auto reload implemented.
(edit) @218   9 years mulligan Timer 2 16 bit auto reload implemented.
(edit) @217   9 years mulligan Back to the drawing board with interrupts ... giving up and …
(edit) @216   9 years mulligan Interrupts are harder than they look.
(edit) @215   9 years mulligan More on implementation of interrupts. Need to add a queue for …
(edit) @214   9 years mulligan Started implementation of interrupts.
(edit) @213   9 years mulligan implementing interrupts
(edit) @212   9 years mulligan Refactored main emulator loop to improve clarity. Debugging serial …
(edit) @211   9 years campbell Make io_inject definition more straightforward.
(edit) @210   9 years mulligan Three new opcodes ticked off. Going through remaining untested …
(edit) @209   9 years mulligan Compiled again.
(edit) @208   9 years campbell Fix up IO monad syntax.
(edit) @207   9 years campbell Add memory extensions and rework parts of D3.1.
(edit) @206   9 years mulligan Fixed serial output.
(edit) @205   9 years mulligan Reworked handling of serial port input, and implemented remaining …
(edit) @204   9 years mulligan Added file that performs both serial input and output on the 8051.
(edit) @203   9 years mulligan Serial input test: seems to work correctly (small bug corrected where …
(edit) @202   9 years mulligan Remaining two timer modes implemented.
(edit) @201   9 years mulligan Implemented output onto P1 and P3 lines, implemented a few of the …
(edit) @200   9 years mulligan New features: 1) conditional jumps to labels implemented [Note: …
(edit) @199   9 years mulligan Fixes to debug code to make serial output more clear. CJNE/JNZ is not …
(edit) @198   9 years mulligan Added more info to status printout. Found weird bug in emulator: cjne …
(edit) @197   9 years campbell Add some first draft text for 3.1.
(edit) @196   9 years mulligan Improvements to processor status output. Now includes readout of main …
(edit) @195   9 years mulligan Added printout of processor status when we enter the infinite SJMP …
(edit) @194   9 years mulligan Oops: small change caused compile to fail. Works again, now.
(edit) @193   9 years mulligan Fixed type errors relating to serial output. The serial port code …
(edit) @192   9 years campbell matita rev in README
(edit) @191   9 years mulligan Changed way we handle I/O due to assert false bug on first serial I/O …
(edit) @190   9 years campbell Minor changes to work with current matita HEAD (r10998).
(edit) @189   9 years campbell Rework monad notation so that it is displayed well in proof mode.
(edit) @188   9 years mulligan Added README file for Roberto.
(edit) @187   9 years mulligan Bug found in IO handling. Something is throwing assert false.
(edit) @186   9 years mulligan Added C code to write to SBUF SFR for Roberto.
(edit) @185   9 years mulligan Found a way to inline SDCC ASM directly into C to test hard to reach …
(edit) @184   9 years mulligan Found out how to directly access 8051's registers from C code. Added …
(edit) @183   9 years mulligan A few more opcodes covered. Emulator seems to work fine on LFSR program.
(edit) @182   9 years mulligan Linear feedback shift register (random number generator) example added.
(edit) @181   9 years campbell Sort out some axioms.
(edit) @180   9 years mulligan Arctan floating point approximation code. 8051 really struggles with …
(edit) @179   9 years mulligan Program executes as required.
(edit) @178   9 years campbell Bring README file up to date.
(edit) @177   9 years campbell Missing cost labels file.
(edit) @176   9 years campbell Remove old executable semantics without I/O.
(edit) @175   9 years campbell Add cost labels, with the semantics that the label is added to the …
(edit) @174   9 years campbell Add a form of non-terminating functional semantics.
(edit) @173   9 years campbell Minor changes for newer versions of matita.
(edit) @172   9 years mulligan JZ was not buggy after all (miscount of loop cycles). Branchless …
(edit) @171   9 years mulligan Parity check program. Bug found with jump zero instruction. A few …
(edit) @170   9 years mulligan Emulator successfully emulates rounding program.
(edit) @169   9 years mulligan Latest test C file: fast roundup to closest power of two.
(edit) @168   9 years mulligan Implemented latch access.
(edit) @167   9 years mulligan Fast inverse square root C code, emulator mostly does fine running it …
(edit) @166   9 years mulligan I/O support added for serial buffer.
(edit) @165   9 years mulligan Some example C programs that the emulator can run.
(edit) @164   9 years mulligan Successfully compiled a C program with a struct passed by pointer to a …
(edit) @163   9 years mulligan Fixed bug with JNB not jumping correctly.
(edit) @162   9 years mulligan Timers implemented (including demonic thirteen bit timer).
(edit) @161   9 years mulligan Type errors fixed. Add16 with carry implemented.
(edit) @160   9 years campbell Patch to acc to parse 8051 memory spaces and output matita terms.
(edit) @159   9 years mulligan Code for timers now in place. Needs further implementation.
(edit) @158   9 years mulligan Lots of bugs fixed. SFR access implemented.
(edit) @157   9 years campbell Make proposed memory spaces semantics more explicit.
(edit) @156   9 years campbell pdata support
(edit) @155   9 years campbell More sensible handling of integer types and pointer casts.
(edit) @154   9 years campbell Minor test case changes
(edit) @153   9 years campbell Use appropriate memory chunks for 8051 pointers.
(edit) @152   9 years campbell Force whd form for memory during execution
(edit) @151   9 years mulligan Implementing SFR access. Type error.
(edit) @150   9 years mulligan Manages to load and emulate a simple array program. A few obscure bugs.
(edit) @149   9 years campbell Fill in a few details about 8051 extensions.
(edit) @148   9 years mulligan Bug fixed: storage destination for all logical operations was …
(edit) @147   9 years mulligan Changes made today: we now have an emulator that is able to emulate …
(edit) @146   9 years sacerdot Code improved.
(edit) @145   9 years mulligan Bug in LCALL fixed.
(edit) @144   9 years sacerdot The sp can also point to upper internal ram. Fixed everywhere.
(edit) @143   9 years sacerdot More SFRs (8052 ones were missing). SFR catalogation (is that fully …
(edit) @142   9 years sacerdot Rough implementation of direct (i.e. no BIT) SFR access. Note: I/O is …
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