6502/lzsa
1
0
Fork 0
mirror of https://github.com/emmanuel-marty/lzsa.git synced 2024-11-26 02:49:19 +00:00
Code Issues Projects Releases Wiki Activity

Fix copying multiples of 256 bytes

Browse Source
This commit is contained in:
Emmanuel Marty 2019-07-14 16:14:55 +02:00 committed by GitHub
parent 2d65f2a7c8
commit 081a29a3db
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
asm/6502/decompress_v1.asm
View File

@ -62,6 +62,7 @@ LARGE_VARLEN_LITERALS ; handle 16 bits literals count
BYTE $A9 ; mask TAX (faster than BCS)
PREPARE_COPY_LITERALS
TAX
BEQ COPY_LITERALS
INY
COPY_LITERALS
@ -89,6 +90,8 @@ SHORT_VARLEN_MATCHLEN
PREPARE_COPY_MATCH
TAX
PREPARE_COPY_MATCH_Y
TXA
BEQ COPY_MATCH_LOOP
INY
COPY_MATCH_LOOP

4
asm/6502/decompress_v2.asm
View File

@ -68,6 +68,8 @@ PREPARE_COPY_LITERALS
TAY ; put high 8 bits in Y
PREPARE_COPY_LITERALS_HIGH
TXA
BEQ COPY_LITERALS
INY
COPY_LITERALS
@ -165,6 +167,8 @@ PREPARE_COPY_MATCH
TAY ; put high 8 bits in Y
PREPARE_COPY_MATCH_Y
TXA
BEQ COPY_MATCH_LOOP
INY
COPY_MATCH_LOOP