Simtel MSDOS Archive CDROM, March 1997.  Walnut Creek CDROM.
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 Cross-Assemblers
 path: \disc2\crossasm 
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6805v108.zip Assembler/emulator for Motorola 68HC705 micros
as02_111.zip Assembler for M6800/6801/6802/6803 microproc.
as05_111.zip Assembler for M6805 microprocessor
as09_111.zip Assembler for M6809/H6309 microprocessor
as31.zip     Assembler for 8031/8051 CPU, with C source
as48_111.zip Assembler for i8048/49/50 microprocessor
as65_111.zip Assembler for R6502/65SC02 microprocessor
as80_111.zip Assembler for i8080-Z180 microprocessor
asem5112.zip 8051 cross-assembler
asrd_111.zip Sample code to read debug information files
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
ma224_1.zip  Cross Assemblers for 8051, Z80 and others CPUs
t68dl101.zip 68K cross-development tools
tasm301.zip  Table-driven cross assembler, for many CPUs
xasm220.zip  Twelve cross assemblers (65xx, 68xx, 80xx)