$ make -I ~/src/uC-Makefile write-fuses write-flash
$ avrdude -v -p t84 -P /dev/ttyUSB0 -b 19200 -c avrisp -U eeprom:w:1.eep
$ avrdude -v -p t84 -P /dev/ttyUSB0 -b 19200 -c avrisp -U flash:w:fw.bin -U eeprom:w:1.eep -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xfe:m
This sketch now requires the damellis core for attiny and my SPI library.