0.42 of icc11 (DOS C cross compiler for 68HC11) available

imagecft@netcom.com (Richard Man)
Sun, 16 Jan 1994 08:50:07 GMT

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0.42 of icc11 (DOS C cross compiler for 68HC11) available imagecft@netcom.com (1994-01-16)
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Newsgroups: comp.compilers
From: imagecft@netcom.com (Richard Man)
Keywords: C, available, FTP
Organization: Netcom Online Communications Services
Date: Sun, 16 Jan 1994 08:50:07 GMT

Release v 0.42 of icc11 is now available on

You need zip 1.9+ to extract the files.
Here is the readme file:
January 15, 1994

This is pre-general release 0.41 of the C Cross Compiler for HC11. This
program is not in the public domain, but this release may be distributed
to other FTP sites or BBSs provided that all files are included as is
without any modifications.

The files included are:

user.asc ascii version of the user manual
user.ps postscript version of the user manual
readme this file
readme.cpp readme file for the DECUS C preprocessor
readme.lcc readme file for the lcc compiler front end
cpp.mem description of the DECUS C preprocessor
icc11.exe compiler driver
icpp.exe C preprocessor
iccom11.exe compiler
ias11.exe assembler
crt.s C runtime file
printf.c simple printf like function
dhry.c v 1.1 of dhrystone benchmark

Even though there is no relocatable linker included, the assembler, the
compiler and the compiler driver have been written such that mulitple
files of different types can be specified. For example, you may compile
your program and "link" it with the simple printf provided with these

icc11 <your C and asm files> printf.c
icc11 <your C and asm files> printf.s
if you compile printf.c to printf.s first

This release fixes several bugs, adds support for environment variables, and
handles path names better.

The builtin peephole optimizer increases the code quality typically by
about 10%-20%. On a 2 Mhz NMI SBC, I get ~200 dhrystones per second
(V1.1). This is in comparison to 400 dhrystones per second as quoted by a
$1200 HC11 compiler vendor, and 200 dhrystones per second as quoted by the
the same vendor on its major competitor costing $2000!

The assembler now supports the "sect" pseudo op, allowing code and data
sections to have their own program counters. This is especially useful in
systems where the code would reside in EEPROM and data reside in RAM.

There is now a version of the "miniboard" library that is compatible with
icc11. For information on this library, please contact Fred Martin at
fredm@media.mit.edu. Miniboard is a single chip mode HC11 system with on
board motor drivers and sensors designed by Fred.

Change Log:
Jan 15 1994 release 0.41
- The driver now supports environment variable ICC11_LIB
- Better handling of / vs \ in file paths
- The preprocessor now supports environment variable ICC11_INCLUDE
- Several bug fixes in the code generator:
. long operand names were output incorrectly
. return sequence sometimes trashed register D
. occasionally a short branch was generated when a long brach
sequence should be used
- Better error reporting from the assembler
- Recompile using VC 1.5. The programs no longer run under OS2
protected mode (a 32 bit OS2 and DOS version is available,
please read the user manual for information)
Dec 12 1993 release 0.40
- Add a builtin peephole optimizer
- Add embedded asm support
- Add sect pseudo op to the assembler
Nov 16 1993 release 0.30

- Recompile using 16 bit compiler. The system now runs on 8086
real (DOS, 386 VDM, DOS emulators) and 286 protected (OS2 1.X+)
- The calling convention has been changed so that it is not
necessary to save and restore IX in a function. This makes it
more compatible with existing libraries (such as the miniboard
lib) and the resulting code is faster too.
Nov 11 1993 release 0.20
- full structure support (assignment, argument and function returning)
- added support for signed divide and modulo
- better code generation for frame pointer access
- assembler listing file was not being created
Oct 27 1993 release 0.11
- hexadecimal and octal literal constants were not accepted
Oct 18 1993 release 0.1
Richard F. Man, imagecftnetcom.com

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