183 lines
5.7 KiB
Plaintext
183 lines
5.7 KiB
Plaintext
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== Release 2.2
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* Fix a problem with the ANSI C target when the program had bit and
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integer variables with the same name. Note that this changes the
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names of the symbols in the generated C program; so a system that
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uses "magic variables" with this target for I/O must be updated
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to use the new names.
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* Fix a subtle bug in the PIC16 add and subtract routines, where
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operations of the form B = A - B could fail.
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* The piecewise linear tables were broken for the AVRs; fix that.
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== Release 2.1
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* For the AVR UARTs, poll UDRE instead of TXC. The formatted string op
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was broken on some targets, should now be fixed.
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* Don't draw selected op in bold font; that looks ugly under Vista.
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== Release 2.0
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* Add PIC16F886 and PIC16F887 targets.
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* Fix display bug in the list to select an I/O pin.
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* Fix bug where PIC16 UART locks up forever after a framing error when
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the cycle time is faster than one byte time.
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* Fix bug where PIC16 outputs could briefly glitch high at startup.
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* Clear PCLATH in PIC16 boot vector, since some bootloaders expect that.
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== Release 1.9
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* Modify PIC16 boot vectors to work with many bootloaders.
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== Release 1.8
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* Fix modification of a constant string that blew up in new MSVC++
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compiler.
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* Add Italian, Turkish, Portuguese.
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== Release 1.7
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* Make the source compile with latest version of MSVC++; overloaded
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functions behave a bit differently.
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* Recover from (and ignore) UART errors on the PIC16 target, instead
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of getting stuck forever.
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* Whenever contacts bound to an output pin (Yfoo) were edited, they
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reverted to an input pin (Xfoo); now fixed.
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* Don't abort on too-wide program; instead display nice message.
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* It was possible (by adding and deleting contacts/coils with the
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same name) to end up with two bit variables bound to the same
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physical I/O pin; now fixed.
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* File -> Open was correct, but Ctrl+O failed to ask about unsaved
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changes before opening requested file; now both are correct.
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* Add Spanish user interface strings.
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== Release 1.6
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* Internationalize the user interface strings; we now have versions
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in English, French, and German.
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* First source release, under the GPLv3.
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== Release 1.5
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* Add untested support for ATmega32.
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* Remove annoying lag in user interface when editing large (hundreds
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of ops) programs
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== Release 1.4
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* Fix a terrible bug in the target for the ATmega8; because there is
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no PORTA/DDRA/PINA, I broke an assumption in my code and failed
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to set up the port directions.
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== Release 1.3
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* Timer delays are represented as a signed 32-bit integer count
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of microseconds. If the user provides a delay >= 2**31 us, then
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show an error instead of just letting things wrap.
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* Change the start-up behaviour of TOF timers. Previously they would
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start from a count of zero, so they would be on (independent of
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rung-in) until they counted themselves off. Now they start out
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at full count (as if rung-in has been low for a very long time),
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so rung-out is low until rung-in goes high.
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== Release 1.2
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* Add an untested target for the ATmega8
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* Add a special instruction to simplify piecewise linear tables
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* Fix some user interface bugs: it was possible to drag the top of the
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I/O list so high that you couldn't grab it again, and there were
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some cases in which the pin number associated with UART and PWM
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variables was not displayed
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== Release 1.1
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* Fix persistent variables, which were broken for the PIC16F628
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== Release 1.0
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* Fix bug in which the filename that appears in the title bar of the
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main window failed to get updated when opening/saving a file using
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the keyboard shortcuts (Ctrl+O/+S)
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* Fix simulation crash when the ladder logic program divides by zero
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* Fix jumpy scrolling on programs with many rungs of logic when the
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cursor is off-screen
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== Release 0.9
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* Fix bug with formatted string op on the AVR
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* Fix previously-untested ATmega16 and ATmega162 targets, which were
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completely broken
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=== Release 0.8
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* Fix PORTA on the PIC16F819 (came up assigned to ADCs, of course)
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=== Release 0.7
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* Support arbitrary character (\xAB) escapes in formatted string op
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* Fix a bug in which the title bar of the main window was not updated
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=== Release 0.6
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* Add formatted text output over serial (e.g. to an LCD or a PC)
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* Add ability to make variables persistent (i.e. auto-saved in EEPROM)
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* Add look-up table instructions
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* Fix a bug with the PORTE pins on some AVRs
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* Fix miscellaneous user interface bugs
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=== Release 0.5
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* Interpretable byte code target
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* Shift register and master control relay instructions
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=== Release 0.4
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* Make ADCs work on the AVRs
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=== Release 0.3
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* Support serial for AVR
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* Support PWM for PIC16 and AVR
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* Show program filename in title bar of main window
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* Untested support for PIC16F88, F819, F876
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* Generate ANSI C code from ladder diagram
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=== Release 0.2
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* Support serial communications (using UART), PIC16 only
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* Support ADC reads, PIC16 only
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* Simulation environment for ADC and serial
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* Support ASCII character constant ('a') literals
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* Fix PORTA pins in PIC16F628 (should assign as GPIO, not to comparator)
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* Make file open/save dialogs work under Win98
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* Fix PORTA/PORTE pins in PIC16F877 (should assign as GPIO, not to ADC)
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* Add ability to comment your program
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* Fix bug when a relative filename is given on the command line and
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the `Compile As' dialog is later used to specify a destination in
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a different directory
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=== Release 0.1
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Initial release
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