BigEd
BigEd
Oddly, shift-6 gives me an & character when using Natural keyboard. As does shift-7, which is correct. I've tested in Chrome, Firefox, Safari on OSX and in Chrome on Linux...
Now that a real Beeb can have a 250MHz 6502 coprocessor (by hooking up a cheap Raspberry Pi Zero) can we have a super speed copro on JSBeeb? Or, is...
I thought it might be interesting to see if the UART transmit buffer empties at exactly the right rate and signals empty at exactly the right time. As it happens,...
Running Richard Russell's [speed.bbc in owlet](https://bbcmic.ro/?experimental=true#%7B%22v%22%3A1%2C%22program%22%3A%2210%20REM%20%3E%20ClockSp%203.00%20%28RTR%29%5Cn15%20TRACE%20OFF%5Cn20%20REM%20Calculate%20CPU%20clock%20speed%5Cn30%20PRINT%5C%22BBC%20BASIC%20CPU%20Timing%20Program%5C%22%5Cn40%20A%25%3D0%3AT%25%3DTIME%3AREPEATA%25%3DA%25%2B1%3AUNTILTIME%3ET%25%2B50%5Cn50%20Z%3D0%3AZ%25%3D0%3AB%3D1.0%3AB%25%3D1%3AF%3D1%2F10%3AC%3D100%3AC%25%3D100%3AD%3D510%3AD%25%3D510%3AF%25%3D3%5Cn60%20REPEAT%3AC%3DC*10%3AC%25%3DC%25*10%3AD%3DD*10%3AD%25%3DD%25*10%3AF%25%3DF%25*10%3AF%3DF*10%3AA%25%3DA%25DIV10%3AUNTILA%25%3C50%5Cn65%20Z%3DZ%2B0.5%3AC%3DC%2B0.5%3AD%3DD%2B0.5%5Cn70%20PRINT%5C%22Really%20real%20REPEAT%20loop%20%5C%22%3B%3AT%25%3DTIME%3AA%3DZ%3AREPEATA%3DA%2BB%3AUNTILA%3EC%3AT%25%3DTIME-T%25%3APROCp%28F*41000%2FT%25%29%5Cn80%20PRINT%5C%22Integer%20REPEAT%20loop%20%20%20%20%20%5C%22%3B%3AT%25%3DTIME%3AA%25%3DZ%25%3AREPEATA%25%3DA%25%2BB%25%3AUNTILA%25%3EC%25%3AT%25%3DTIME-T%25%3APROCp%28F*23900%2FT%25%29%5Cn90%20PRINT%5C%22Really%20real%20FOR%20loop%20%20%20%20%5C%22%3B%3AT%25%3DTIME%3AFORA%3DZ%20TO%20D%20STEP%20B%3ANEXT%3AT%25%3DTIME-T%25%3APROCp%28F*51200%2FT%25%29%5Cn100%20PRINT%5C%22Integer%20FOR%20loop%20%20%20%20%20%20%20%20%5C%22%3B%3AT%25%3DTIME%3AFORA%25%3DZ%25%20TO%20D%25%20STEP%20B%25%3ANEXT%3AT%25%3DTIME-T%25%3APROCp%28F*17800%2FT%25%29%5Cn110%20PRINT%5C%22Trig%2FLog%20test%20%20%20%20%20%20%20%20%20%20%20%5C%22%3B%3AIFCOS0%3D0%3APRINTSPC4%5C%22%3Cnone%3E%5C%22%5Cn120%20IFCOS0%3C%3E0%3AA%3D1%3AT%25%3DTIME%3AFORJ%25%3D1%20TO%20F%25%3AA%3DTAN%28ATN%28EXP%28LN%28SQR%28A*A%29%29%29%29%29%2B1%3ANEXT%3AT%25%3DTIME-T%25%3APROCp%28F*68800%2FT%25%29%5Cn130%20REM%20PRINT%5C%22Ackermann%20Recursion%20%5C%22%3B%5Cn140%20REM%20M%25%3D3%3AT%25%3DTIME%3AFORN%25%3D1%20TO%203%3AZ%25%3DFNAck%28M%25%2CN%25%29%3ANEXT%3AT%25%3DTIME-T%25%3APROCp%28F*255400%2FT%25%29%5Cn150%20PRINT%5C%22String%20manipulation%20%20%20%20%20%5C%22%3B%5Cn160%20T%25%3DTIME%3AA%24%3D%5C%22STRINGMANIPULATIONTEST%5C%22%3AFORA%25%3D0TOF%25*4%3AA%24%3DRIGHT%24%28MID%24%28A%24%2CLENA%24%2F2%2CLENA%24%2F4%2B1%29%2BRIGHT%24%28A%24%2CLENA%24%2F4%29%2BMID%24%28A%24%2CLENA%24%2F2%2C2%29%2BLEFT%24%28A%24%2CLENA%24%2F4%29%2BMID%24%28A%24%2CLENA%24%2F4%2CLENA%24%2F4%2B1%29%2CLENA%24%29%3ANEXT%3AT%25%3DTIME-T%25%3APROCp%28F*72750%2FT%25%29%5Cn170%20PRINT%5C%22Procedure%20call%20%20%20%20%20%20%20%20%20%20%5C%22%3B%3AT%25%3DTIME%3AFORA%25%3DZ%25%20TO%20D%25%3APROCtest%3ANEXT%3AT%25%3DTIME-T%25%3APROCp%28F*80500%2FT%25%29%5Cn180%20PRINT%5C%22GOSUB%20call%20%20%20%20%20%20%20%20%20%20%20%20%20%20%5C%22%3B%3AT%25%3DTIME%3AFORA%25%3DZ%25%20TO%20D%25%3AGOSUB300%3ANEXT%3AT%25%3DTIME-T%25%3APROCp%28F*90000%2FT%25%29%5Cn190%20PRINT%5C%22Combined%20Average%20%20%20%20%20%20%20%20%5C%22%3B%3APROCp%28FNspeed%29%5Cn200%20PRINT'%5C%22Compared%20with%20a%202.00MHz%20BBC%20B%5C%22%5Cn210%20END%5Cn220%20%3A%5Cn230%20DEFFNAck%28M%25%2CN%25%29%5Cn240%20IF%20M%25%3D0%3A%3DN%25%2B1%5Cn250%20IF%20N%25%3D0%3A%3DFNAck%28M%25-1%2C1%29%5Cn260%20%3DFNAck%28M%25-1%2CFNAck%28M%25%2CN%25-1%29%29%5Cn270%20%3A%5Cn280%20DEFPROCtest%3AENDPROC%5Cn290%20%3A%5Cn300%20RETURN%5Cn310%20%3A%5Cn320%20DEFPROCp%28T%25%29%3APRINTRIGHT%24%28%5C%22%20%20%20%20%20%5C%22%2BSTR%24%28T%25DIV100%29%2C6%29%3B%5C%22.%5C%22%3BRIGHT%24%28%5C%220%5C%22%2BSTR%24%28T%25%29%2C2%29%3B%5C%22MHz%5C%22%3BCHR%248%3AENDPROC%5Cn330%20%3A%5Cn340%20REM%20This%20is%20calibrated%20against%20a%5Cn350%20REM%20BBC%20model%20B%20with%20no%20second%5Cn360%20REM%20processor%2C%20running%20BASIC%20II%5Cn370%20REM%20and%20with%20almost%20all%20interupts%5Cn380%20REM%20turned%20off%20using%3A%5Cn390%20REM%20%3F%26FE4E%3D%263F%5Cn400%20REM%20This%20gives%202.00MHz.%5Cn410%20%3A%5Cn420%20REM%20Savage%20Floating%20Point%20test%20and%5Cn430%20REM%20Ackermann%20Recursion%20test%20added%5Cn440%20REM%20-Mar-1993%2C%20based%20on%20A%26B%20Jan%2090.%5Cn450%20%3A%5Cn460%20REM%20Version%202.00%20recalibrates%5Cn470%20REM%20itself%20for%20faster%20systems%5Cn480%20REM%2015-Mar-2002%5Cn490%20%3A%5Cn500%20DEFFNspeed%3ALOCAL%20A%2CB%2CC%2CD%2CF%2CZ%2CA%25%2CB%25%2CC%25%2CD%25%2CF%25%2CQ%25%2CR%25%2CS%25%2CU%25%2CV%25%2CW%25%2CX%25%2CY%25%2CZ%25%5Cn510%20A%25%3D0%3AT%25%3DTIME%3AREPEATA%25%3DA%25%2B1%3AUNTILTIME%3ET%25%2B50%5Cn520%20Z%3D0%3AZ%25%3D0%3AB%3D1.0%3AB%25%3D1%3AF%3D1%2F10%3AC%3D100%3AC%25%3D100%3AD%3D510%3AD%25%3D510%3AF%25%3D3%5Cn530%20REPEAT%3AC%3DC*10%3AC%25%3DC%25*10%3AD%3DD*10%3AD%25%3DD%25*10%3AF%25%3DF%25*10%3AF%3DF*10%3AA%25%3DA%25DIV10%3AUNTILA%25%3C50%5Cn525%20Z%3DZ%2B0.5%3AC%3DC%2B0.5%3AD%3DD%2B0.5%5Cn540%20T%25%3DTIME%3AA%3DZ%3AREPEATA%3DA%2BB%3AUNTILA%3EC%3AT%25%3DTIME-T%25%3AU%25%3DF*41000%2FT%25%5Cn550%20T%25%3DTIME%3AA%25%3DZ%25%3AREPEATA%25%3DA%25%2BB%25%3AUNTILA%25%3EC%25%3AT%25%3DTIME-T%25%3AV%25%3DF*23900%2FT%25%5Cn560%20T%25%3DTIME%3AFORA%3DZ%20TO%20D%20STEPB%3ANEXT%3AT%25%3DTIME-T%25%3AW%25%3DF*51200%2FT%25%5Cn570%20T%25%3DTIME%3AFORA%25%3DZ%25%20TO%20D%25%20STEPB%25%3ANEXT%3AT%25%3DTIME-T%25%3AX%25%3DF*17800%2FT%25%5Cn580%20Y%25%3DX%25%3AIFCOS0%3C%3E0%3A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it's fine, but in rocket mode it restarts the machine and then gets stuck.
Looks like awk can't do arithmetic: #/ awk 'BEGIN{print 0,1,2,3}' 270040240 1 1 1 (Maybe it should fault, if floating point is missing??)
should be possible to detect alphabetic keys anyway: perhaps venerable hjkl from vi. Or qa for up/down and sd for left right, since we already have zx for zoom in/out....
should re-test this. I quickly tried changing the bindings to z and x, but no joy - perhaps the keyboard events are not reaching the javascript.
seen [reported on a forum](http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&p=748704&sid=3904ae5483b49715a201738aa512ea3f#748704): Firefox on 64-bit Ubuntu works on step by step but doesn't seem to animate on continuous run.
can only highlight a single signal- should allow shift-click to add to the set, and ctrl-click to toggle membership of the highlighted set should also update status display to show...
Hi please would you create and merge into a branch called gh-pages, then your code will be live at http://6502.github.com/js6502 Thanks Ed