************************************************************
*                                                          *
*                         APalasm24                        *
*                             by                           *
*                         Bob Metzler                      *
*                                                          *
************************************************************

This entry, for The famous Fish disk archive (Thanks Fred),is a program
that I have not seen supported on the Amiga.  The ability to generate
PAL files usable on a PAL programmer or just to learn about PALs in
general. What is a PAL? A Programmable Array Logic device used to 
replace circuitry on a board, perform logic equations in which multiple
standard devices (ie 7400 series) would be used.
	I have worked on this program for a LONG time since the source 
didn't even work at all. The code had errors in it and produced incorrect
results.  Also, I removed the IMPLICIT statements since they produced
erratic results and somtimes crash the Ami. I then decided after I 
found some actual BLOCK DATA TABLE errors to check as many devices as I 
could from Two MMI PAL Handbooks the third and fifth editions.
The third edition has the flow chart for both the main code and 
the simulation code and I used those to further check out the
Program by using example PAL files that have fuse maps shown. All
The examples included cover all the part types this program will
read in. Palasm24 will do only the following 14 PAL devices.

	12L10, 14L8, 16L6, 18L4, 20C1, 20L10,
	20X10, 20X8, 20X4, 20L8, 20R8, 20R4 

	The version of this code is 1.00 as I feel its usable
for producing .jed files and the other files.  The following list
of files are included in this release and I hope to release the
palasm20 version when I'm done debugging it. Any requests or bugs
found I would like to know about it. It's all I ask, I'm trying
to maintain this code so if you want to modify it do so and 
sent me the bug/fix you proposed so that others will benefit.
My address is below:

	Bob Metzler
	13515 N.E. 70th St.
	Redmond, Wa. 98052
	Home phone (206)885-9314

	These files are included in this release:

	apalasm24     -	executable for those who don't have AC/FORTRAN
	palasm24.for  - the source code for the program
	readme        - this file you are reading now
    4mux.pal	  - 16L6  example PAL
    6bitrshift.pal- 20L8  example PAL
    9bitreg.pal	  - 20X10 example PAL
    adc.pal		  - 20X4  example PAL
    barrelroll.pal- 20R8  example PAL
    d4to1mux.pal  - 14L8  example PAL
    doctmux.pal   - 20L2  example PAL
    encoder.pal   - 20R4  example PAL
    mod_encode.pal- 20R6  example PAL
    muloctreg.pal - 20X8  example PAL
    quadmux.pal   - 18L4  example PAL
    sixnand.pal   - 12L10 example PAL
    sixtmux.pal   - 20C1  example PAL
    vidlog.pal    - 20L10 example PAL
    template.pal  - a template for use in correct syntax for
					writing your own .PAL file

USAGE:

****************************************************************
* SET THE STACK FOR 50000 PRIOR TO RUNNING !
* CODE WILL EXECUTE FASTER OUT OF RAM DISK !
****************************************************************
Execute the following:

	apalasm24 filename

	One last thing, I would like to thank Absoft personally
for producing a solid product such as AC/Fortran. I own an 
Amiga 1000 with LUCAS/ FRANCES 4MB combo running at 20MHZ an
am able to operate both the compiler and debugger with no 
problems.  For those of you who don't own AC/Fortran its very 
compatible with 68020/68881 and very fast.

Check out these speeds in my system using the 68020/68881:

Using 'f77 palasm.for' the following is output:

Absoft FORTRAN 77 Compiler Version 2.3   

1: Symbol table complete 
     Memory usage:
       Labels       600 bytes
       Symbols     4080 bytes
       Total      52310 bytes
       Excess     52766 bytes
       Source      1506 lines
2: Object file complete 
3: Program file complete: 34032 bytes
   Elapsed time: 0:21 = 4302 lines/minute

Using 'f77 -deksu palasm.for' the following is output:

Absoft FORTRAN 77 Compiler Version 2.3   

Symbol table complete 
     Memory usage:
       Labels       600 bytes
       Symbols     4080 bytes
       Total      52310 bytes
       Excess     52766 bytes
       Source      1506 lines
2: Object file complete 
3: DEBUG symbol file complete
4: Program file complete: 34164 bytes
   Elapsed time: 0:53 = 1704 lines/minute

The only complaint is that the 68020 compiler is not an option
switch unless you purchase the 020 package from Absoft.  The program
is executable however doesn't produce 68020/68881 code.