#!/usr/bin/perl
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#!/usr/bin/perl
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# This and asm2bin converts asm file foo.asm into rom files.
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# This and asm2bin converts asm file foo.asm into rom files.
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# 1st type foo.bin used with ghld roms
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# 1st type foo.bin used with ghld roms
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# 2nd type foo.mem used with Lattice roms
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# 2nd type foo.mem used with Lattice roms
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# This perl script call crasm to do the assembly.
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# This perl script call crasm to do the assembly.
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# crsasm generates the program listing foo.lst
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# crsasm generates the program listing foo.lst
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$name = "$ARGV[0]";
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$name = "$ARGV[0]";
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# The program was compilled at start address
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# The program was compilled at start address
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$progadd = hex("FC00");
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$progadd = hex("FC00");
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# The code is packed into ROM start address
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# The code is packed into ROM start address
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$romadd = hex("0");
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$romadd = hex("0");
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$romsize = 1024;
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$romsize = 1024;
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# was 128
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# was 128
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$add_delta = $romadd - $progadd;
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$add_delta = $romadd - $progadd;
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print "Processing $name.asm \n";
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print "Processing $name.asm \n";
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# run crasm to generate *.o and *.lst
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# run crasm to generate *.o and *.lst
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`crasm -o $name.o -x $name.asm > $name.lst`;
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`crasm -o $name.o -x $name.asm > $name.lst`;
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open(OBJfile, "< $name.o");
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open(OBJfile, "< $name.o");
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open(BINfile, "> $name.bin");
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open(BINfile, "> $name.bin");
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$n = 0;
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$n = 0;
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@file = <OBJfile>;
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@file = <OBJfile>;
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foreach $line (@file) {
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foreach $line (@file) {
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if (substr($line, 0, 2) = "S1") {
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if (substr($line, 0, 2) = "S1") {
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$bytes = hex(substr($line, 2, 2));
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$bytes = hex(substr($line, 2, 2));
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$HEXadd = substr($line, 4, 4);
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$HEXadd = substr($line, 4, 4);
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$address = hex("$HEXadd");
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$address = hex("$HEXadd");
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$runningadd = $address + $add_delta;
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$runningadd = $address + $add_delta;
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$len = length($line);
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$len = length($line);
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$substring = substr($line, 8, ($len-11));
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$substring = substr($line, 8, ($len-11));
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print "$line";
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print "$line";
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print "n = $n, Address = $address, runAddress = $runningadd, del = $add_delta \n";
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print "n = $n, Address = $address, runAddress = $runningadd, del = $add_delta \n";
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while ($n < $runningadd) {
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while ($n < $runningadd) {
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print (BINfile "X\"EA\", \n");
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print (BINfile "X\"EA\", \n");
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$n++;
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$n++;
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print("n is $n \n");
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print("n is $n \n");
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}
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}
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$a = 0;
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$a = 0;
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# while ($a < ($len - 11)) {
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# while ($a < ($len - 11)) {
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while ($a < ($len - 11) and ($address > 64513)) {
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while ($a < ($len - 11) and ($address > 64511)) {
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$byte = substr($substring, $a, 2);
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$byte = substr($substring, $a, 2);
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if ($n eq ($romsize - 1)) {
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if ($n eq ($romsize - 1)) {
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print (BINfile "X\"$byte\" ) ; \n");
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print (BINfile "X\"$byte\" ) ; \n");
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}
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}
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else {
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else {
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print (BINfile "X\"$byte\", \n");
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print (BINfile "X\"$byte\", \n");
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}
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}
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$a = $a + 2;
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$a = $a + 2;
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$n++ ;
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$n++ ;
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}
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}
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}
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}
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}
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}
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close(OBJfile);
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close(OBJfile);
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close(BINfile);
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close(BINfile);
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# end
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# end
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