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8048
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buglist.txt
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1993-11-04
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Reported bugs fixed in version 1.18
- Did not evaluate 0-X to 2's compliment notation. 0-X is now evaluated to
100H-X for byte operands, and 10000H-X for word operands. For example the
instruction: MOV A,#0-5 will now evaluate to MOV A,#251
- Expressions such as the following: CTIME-2 evaluated improperly. The original
equation evaluation trapped the E-2 in CTIME-2, as an exponent. This has been
fixed (exponents can no longer be specified, not that they were needed in the
first place).
- Simulation of the ORL P2,#Value instruction did not execute properly. It would
be simulated as follows: P2 = P1 or Value. One of the pit falls of the editors
cut and paste. This has been fixed.
- Version 1.18 no longer requires you to specify a home directory to locate the
help files. It now looks at the command line passed by DOS to locate the
directory where the 8048.EXE program resides. This is not actually a bug
but makes it a little more convienent when working with files in directories
other than the one containing the 8048.EXE program.
- Availability of the 8748 chip programmer is now mentioned in the online manual
(sorry but it isn't available at this time). Press <CTRL><F1> to get the main
index, go to Programmer, and read the opening paragraph.
Reported bugs fixed in version 1.19
- Simulation of the ANL P2,#Value instruction did not execute properly. It would
be simulated as follows: P2 = P1 and Value. One of the pit falls of the editors
cut and paste. This has been fixed.