tpasm

Cross-assembler for variety of microprocessors and controllers

Tpasm is a command line based cross assembler for a vast variety of common microprocessors and controllers, currently supporting: * Rockwell 6502 (6502, 65c02) * Motorola 6805 (6805, 68705), 6809, 68hc11 * Intel 8051 (8031, 8032, 8051, 8052, 80c390) * Atmel AVR (avt, attiny, at90, atmega series) * Core Technologies CTXP-1 * Microchip PIC (12xxx, 14xxx, 16xxx, 17xxx series) * Sunplus SPCxxx series * Zilog Z80 (z80, z180) Its features include: * True multi-pass assembly (will take as many passes as needed) * Multiple segments * Sophisticated expressions * Macros, repeats, conditionals * Arbitrary length labels, local labels * Supporting new processors is reasonably straightforward * Can switch between processors during assembly