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alee-forth/msp430
History
Clyne 23d746d646
msp430: add spi, update uart examples 		10 months ago
..
examples msp430: add spi, update uart examples 10 months ago
README.md msp430.fth 11 months ago
alee-msp430.cpp add LIBALEE_SECTION; minor fixes 10 months ago
build.sh msp430: build reg data with bash, not make 10 months ago
lzss.c msp430: add compressed register/flag wordset 10 months ago
lzss.h msp430: add compressed register/flag wordset 10 months ago
msp430fr2476.h msp430: lpm support; . uses base; expand dict size 10 months ago
msp430fr2476.ld add LIBALEE_SECTION; minor fixes 10 months ago
msp430fr2476_symbols.ld msp430: add compressed register/flag wordset 10 months ago

README.md

msp430 implementation

This is the MSP430 port of Alee Forth. It produces a binary that enters a REPL made available on the UART peripheral at 115200 baud. The specific target is MSP430G2553.

Building

  1. make clean (just in case)
  2. make msp430-prep: Builds alee for the host computer and uses it to create an alee.dat blob containing bytecode for forth/core.fth and forth/msp430.fth.
  3. make msp430: Produces alee-msp430, a standalone binary for the MSP430 with built-in core and msp430 word-sets.

The final binary is < 11 kB and provides 150 bytes for user dictionary in RAM (assuming 512 bytes of total RAM).

msp430.fth

The msp430 word-set makes programming for the MSP430 easier:

  • All register names are defined (P1OUT, ADC10MEM, etc.).
  • r! and r@ to write and read device memory (i.e. registers).
  • rset, rclr, rtgl work like r! but set, clear, or toggle the given value/mask instead.