Simtel MSDOS Archive CDROM, August 1996.  Walnut Creek CDROM.
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 Cross-Assemblers
 path: \disc2\crossasm 
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6805v108.zip Assembler/emulator for Motorola 68HC705 micros
68asmsim.zip 68000 cross-assembler/simulator with C source
as11v103.zip Assembler for Motorola 68HC11 MicroController
as31.zip     Assembler for 8031/8051 CPU, with C source
asem5112.zip 8051 cross-assembler
asref.zip    Reference manual for MOTOASMS cross assembers
assemblr.zip Generic 6502/6803/8085 assembler
c64asm11.zip Commodore 64 (6510) cross-assembler
cug292wk.zip C source & EXE for ASLINK and ASXXXX CrossASMs
embedpc.zip  Tools & source for embedded PC applications
epasm13.zip  Assembler for Intel 8749 & other EPROM chips
motoasms.zip Motorola 6800/01/04/05/09/11 cross assemblers
pcmac.zip    Two-pass symbolic cross assembler, w/linker
ps18a12.zip  RCA 1802/1804/1805/1806 cross assembler
ps48a12.zip  Intel 8748 cross assembler
ps51a123.zip Intel 8751 cross assembler
ps65a12.zip  6502 cross assembler
ps685a12.zip 6805 cross assembler
ps68a12.zip  6800-03/08 cross assembler
ps69a12.zip  6809 cross assembler
ps85a12.zip  8085 cross assembler
ps96a12.zip  8096 cross assembler
psz80a13.zip 8086 Z80 Cross Assembler
svasm02.zip  Cross assembler for 6502 and 65C02
tasm301.zip  Table-driven cross assembler, for many CPUs
uasm.zip     Cross assembler for 8051/6805/Z8, w/'C' src
xasm220.zip  Twelve cross assemblers (65xx, 68xx, 80xx)