18 Commits

Author	SHA1	Message	Date
Doug Masten	31d5dc2419	Slight speed and space improvement to nibble processing in 6809 LZSA2 depackers	2020-06-30 14:05:59 -05:00
Doug Masten	214e03555f	Slight speed improvement in 6809 LZSA depackers ... Switch instruction "tfr x,u" to "leau ,x" which is 2 clock cycles faster on M6809. On H6309 both instruction have same clock cycles.	2020-06-29 00:36:49 -05:00
Doug Masten	03692fca2c	Update code byte counts for 6809 LZSA depackers	2020-06-27 02:02:33 -05:00
Doug Masten	e397428c1f	Remove trailing whitespaces in 6809 LZSA2 depacker	2020-06-27 02:02:33 -05:00
Doug Masten	f72133f4cf	Move instruction before branch to save one byte in 6809 LZSA2 depacker	2020-06-26 16:48:58 -05:00
Doug Masten	56ba563794	One byte saving for setting reg A to $FF in 6809 LZSA2 depacker	2020-06-26 15:59:24 -05:00
Doug Masten	c0f09db364	Delay clearing high part of literals count until we really have to in 6809 LZSA2 depacker	2020-06-26 15:56:28 -05:00
Doug Masten	99db30a732	Optimize handling of 9 bits offset in 6809 LZSA2 depacker	2020-06-26 15:18:53 -05:00
Doug Masten	061ca99838	Optimize handling of token's Z flag bit in 6809 LZSA2 depacker	2020-06-26 14:52:09 -05:00
Doug Masten	7b96368469	Optimize match offset code in 6809 LZSA2 depacker	2020-06-26 14:42:36 -05:00
Doug Masten	e9540b2e3d	Remove unnecessary "ADDB #$18" as register B will always have this value from 6809 LZSA2 depacker	2020-06-24 00:49:09 -05:00
Doug Masten	7f0316b81c	Update code byte counts for 6809 LZSA depackers	2020-06-20 12:45:51 -05:00
Doug Masten	1dd65731c4	Remove unnecessary "ADDB #$12" as B register will always have this value from 6809 LZSA depackers	2020-06-20 12:27:22 -05:00
Emmanuel Marty	f920485899	-3 bytes for 6809 LZSA2 depacker, slightly faster	2020-06-19 20:08:09 +02:00
Emmanuel Marty	f198431a71	-2 bytes for 6809 LZSA2 depacker, speed unchanged	2020-06-19 18:26:25 +02:00
Emmanuel Marty	f80706ff7e	-5 bytes and faster 6809 LZSA2 depacker	2020-06-19 12:50:10 +02:00
Emmanuel Marty	e253d3e628	-1 byte for 6809 LZSA2 depacker	2020-06-19 08:57:01 +02:00
Emmanuel Marty	26bf944d9f	Add 6809 depacker for LZSA2	2020-06-18 17:48:08 +02:00