

@236

11 years 
mulligan 
Strange problem with matita and the Maybe file? Cannot find Maybe.ng.



@235

11 years 
mulligan 
More work on bitvectors.



@234

11 years 
mulligan 
Division and modulus implemented. All necessary orders on naturals …



@233

11 years 
mulligan 
Changes from this morning: Bool / Prop division = nightmare.



@232

11 years 
mulligan 
Lots of work from today. Writing bitvector library is harder than it …



@231

11 years 
mulligan 
BitVector? stuff from this morning: need further development of Nat …



@230

11 years 
mulligan 
Lots of work from today.



@229

11 years 
mulligan 
More changes.



@228

11 years 
mulligan 
Conjunction, disjunction and 'xorjunction' implemented on bitvectors. …



@224

11 years 
mulligan 
Changes to bit vectors and vectors.



@223

11 years 
mulligan 
File for bitvector specific stuff added.



@222

11 years 
mulligan 
Datatype for fixed length lists (vectors) as well as some recursive …



@221

11 years 
mulligan 
Starting formalisation in Matita



@220

11 years 
mulligan 
Started on timer 2 capture mode.



@219

11 years 
mulligan 
Additional features of timer 2 auto reload implemented.



@218

11 years 
mulligan 
Timer 2 16 bit auto reload implemented.



@217

11 years 
mulligan 
Back to the drawing board with interrupts ... giving up and …



@216

11 years 
mulligan 
Interrupts are harder than they look.



@215

11 years 
mulligan 
More on implementation of interrupts. Need to add a queue for …



@214

11 years 
mulligan 
Started implementation of interrupts.



@213

11 years 
mulligan 
implementing interrupts



@212

11 years 
mulligan 
Refactored main emulator loop to improve clarity. Debugging serial …



@210

11 years 
mulligan 
Three new opcodes ticked off. Going through remaining untested …



@209

11 years 
mulligan 
Compiled again.



@207

11 years 
campbell 
Add memory extensions and rework parts of D3.1.



@206

11 years 
mulligan 
Fixed serial output.



@205

11 years 
mulligan 
Reworked handling of serial port input, and implemented remaining …



@204

11 years 
mulligan 
Added file that performs both serial input and output on the 8051.



@203

11 years 
mulligan 
Serial input test: seems to work correctly (small bug corrected where …



@202

11 years 
mulligan 
Remaining two timer modes implemented.



@201

11 years 
mulligan 
Implemented output onto P1 and P3 lines, implemented a few of the …



@200

11 years 
mulligan 
New features:
1) conditional jumps to labels implemented
[Note: …



@199

11 years 
mulligan 
Fixes to debug code to make serial output more clear. CJNE/JNZ is not …



@198

11 years 
mulligan 
Added more info to status printout. Found weird bug in emulator: cjne …



@197

11 years 
campbell 
Add some first draft text for 3.1.



@196

11 years 
mulligan 
Improvements to processor status output. Now includes readout of main …



@195

11 years 
mulligan 
Added printout of processor status when we enter the infinite SJMP …



@194

11 years 
mulligan 
Oops: small change caused compile to fail. Works again, now.



@193

11 years 
mulligan 
Fixed type errors relating to serial output. The serial port code …



@191

11 years 
mulligan 
Changed way we handle I/O due to assert false bug on first serial I/O …



@188

11 years 
mulligan 
Added README file for Roberto.



@187

11 years 
mulligan 
Bug found in IO handling. Something is throwing assert false.



@186

11 years 
mulligan 
Added C code to write to SBUF SFR for Roberto.



@185

11 years 
mulligan 
Found a way to inline SDCC ASM directly into C to test hard to reach …



@184

11 years 
mulligan 
Found out how to directly access 8051's registers from C code. Added …



@183

11 years 
mulligan 
A few more opcodes covered. Emulator seems to work fine on LFSR
program.



@182

11 years 
mulligan 
Linear feedback shift register (random number generator) example added.



@180

11 years 
mulligan 
Arctan floating point approximation code. 8051 really struggles with …



@179

11 years 
mulligan 
Program executes as required.



@172

11 years 
mulligan 
JZ was not buggy after all (miscount of loop cycles). Branchless …



@171

11 years 
mulligan 
Parity check program. Bug found with jump zero instruction. A few …



@170

11 years 
mulligan 
Emulator successfully emulates rounding program.



@169

11 years 
mulligan 
Latest test C file: fast roundup to closest power of two.



@168

11 years 
mulligan 
Implemented latch access.



@167

11 years 
mulligan 
Fast inverse square root C code, emulator mostly does fine running it …



@166

11 years 
mulligan 
I/O support added for serial buffer.



@165

11 years 
mulligan 
Some example C programs that the emulator can run.



@164

11 years 
mulligan 
Successfully compiled a C program with a struct passed by pointer to a …



@163

11 years 
mulligan 
Fixed bug with JNB not jumping correctly.



@162

11 years 
mulligan 
Timers implemented (including demonic thirteen bit timer).



@161

11 years 
mulligan 
Type errors fixed. Add16 with carry implemented.



@159

11 years 
mulligan 
Code for timers now in place. Needs further implementation.



@158

11 years 
mulligan 
Lots of bugs fixed. SFR access implemented.



@151

11 years 
mulligan 
Implementing SFR access. Type error.



@150

11 years 
mulligan 
Manages to load and emulate a simple array program. A few obscure bugs.



@148

11 years 
mulligan 
Bug fixed: storage destination for all logical operations was …



@147

11 years 
mulligan 
Changes made today: we now have an emulator that is able to emulate …



@146

11 years 
sacerdot 
Code improved.



@145

11 years 
mulligan 
Bug in LCALL fixed.



@144

11 years 
sacerdot 
The sp can also point to upper internal ram. Fixed everywhere.



@143

11 years 
sacerdot 
More SFRs (8052 ones were missing).
SFR catalogation (is that fully …



@142

11 years 
sacerdot 
Rough implementation of direct (i.e. no BIT) SFR access.
Note: I/O is …



@141

11 years 
sacerdot 
Minor cleanup.



@140

11 years 
sacerdot 
More cleanup.



@139

11 years 
sacerdot 
More cleanup.



@138

11 years 
sacerdot 
Several bug fixes and code cleanup.
New main file: test.ml to parse …



@137

11 years 
mulligan 
Bug noticed in string conversion routine. Note added.



@136

11 years 
mulligan 
Fixed erroneous string conversion of intel hex records.



@135

11 years 
mulligan 
Fixed checksum calculation check. Requires a *half add* (i.e. ignore …



@134

11 years 
mulligan 
Checksum check calculation still not working correctly: seems to work …



@133

11 years 
mulligan 
Fixed error in parser for intel hex format entries: entries consist of …



@132

11 years 
mulligan 
Type error fixed, also fixed error in hex_format_parser which …



@131

11 years 
mulligan 
Changes from this morning: checking checksum is correct for a …



@130

11 years 
mulligan 
Commit again? Not sure what happened. All Parser files were already …



@129

11 years 
sacerdot 
Better I/O modelling (still initial ideas).



@128

11 years 
mulligan 
Some utility functions useful across modules moved into new file Util. …



@123

11 years 
mulligan 
IntelHex? file modified: string_of_intel_hex_entry implemented.



@122

11 years 
mulligan 
Added file for Intel hex format conversion. Renamed pretty files to …



@121

11 years 
mulligan 
Fixed obscure type error in pretty.



@120

11 years 
mulligan 
Fixed weird type errors in ASMInterpret.



@119

11 years 
mulligan 
Refactoring of ASMInterpret complete.



@118

11 years 
mulligan 
LCALL reimplemented.



@117

11 years 
mulligan 
Sorted out inconsistent ocaml state (???). Refactored ACALL.



@116

11 years 
mulligan 
RETs done.



@115

11 years 
mulligan 
Various jumps refactored.



@114

11 years 
mulligan 
Noticed redundancy in ANL and ORL instructions, removed. Introduced …



@113

11 years 
mulligan 
JC and JNC refactored.



@112

11 years 
mulligan 
PUSH, POP, XCH and XCHD refactored and tidied.



@111

11 years 
mulligan 
MOVC instructions refactored.



@110

11 years 
mulligan 
MOV instructions refactored.


