NEW
  AUTO 3,1
				.LIST OFF
*--------------------------------------
STR.MIN			.EQ 3
STR.MID			.EQ STR.MIN+7+1
STR.MAX			.EQ STR.MID+63
*--------------------------------------
BLL.MIN			.EQ 3
BLL.MID			.EQ BLL.MIN+3+1
BLL.MAX			.EQ BLL.MID+63
*--------------------------------------
BLO.WINDOW.W	.EQ 12
BLO.WINDOW		.EQ 4095
*--------------------------------------
ARC.B.PREFIX.W	.EQ 1
ARC.B.SINGLE	.EQ %0					+bbbb.bbbb
ARC.B.STRBL		.EQ %1
*--------------------------------------
ARC.B.RAWTOP.W	.EQ 1
ARC.B.RAW		.EQ %0					+bbbb.bbbb
ARC.B.TOP		.EQ %1
*--------------------------------------
ARC.B.STRBL.W	.EQ 1
ARC.B.STR		.EQ %0					+llll...
ARC.B.BL		.EQ %1					+llll... +oooooooooo...
*--------------------------------------
ARC.B.LEN.W		.EQ 1
ARC.B.SHORT.B	.EQ %0
ARC.B.LONG.B	.EQ %1
*--------------------------------------
ARC.B.SHORTSTR.W	.EQ 3
ARC.B.SHORTBLL.W	.EQ 2
*--------------------------------------
TOP.MIN.CNT		.EQ 3
TOP.MAX			.EQ 32
*--------------------------------------
ARC.B.TOP0.W	.EQ 4
ARC.B.TOP0.B	.EQ %0.000
ARC.B.TOP0.M	.EQ %0.111

ARC.B.TOP8.W	.EQ 5
ARC.B.TOP8.B	.EQ %10.000
ARC.B.TOP8.M	.EQ %00.111

ARC.B.TOP16.W	.EQ 6
ARC.B.TOP16.B	.EQ %11.0000
ARC.B.TOP16.M	.EQ %00.1111
*--------------------------------------
* Shunk Header
* ULEN (16)    : Target Uncompressed Length
* !!! USED TO STOP UNPACK,NO EOF TOKEN !!!
* TBLBITS (16) : sss.ccccc c.lll.oooo
*  sss    : bitcnt for long STR len, max = 7 bits:127+STR.MID
*  cccccc : top count, 0-> 63
*  lll    : bitcnt for long BL len, max = 7 bits:127+BL.MID
*  oooo   : bitcnt for long BL ofs, max = 15 bits:32767
*--------------------------------------
S.ARCSHNK.ULEN		.EQ 0				Uncompressed length
S.ARCSHNK.TBLBITS 	.EQ 2
S.ARCSHNK.TOPBYTES 	.EQ 4				if cccccc > 0
*
S.ARCSHNK.H		.EQ 4
* TOP Bytes ...
S.ARCSHNK		.EQ S.ARCSHNK.H+TOP.MAX
* DATA ...
*--------------------------------------
CHNK.SIZE		.EQ 4096
*--------------------------------------
CHNK.T			.EQ 0
CHNK.T.DIR			.EQ 1
CHNK.T.FILE			.EQ 2
CHNK.T.DATA			.EQ 128
*
CHNK.FILE.TYPE	.EQ 1
CHNK.FILE.AUXT	.EQ 2
CHNK.FILE.FNLEN	.EQ 4
*
CHNK.DIR.FNLEN	.EQ 1
*
CHNK.DATA.LEN	.EQ 1
*--------------------------------------
MAN
SAVE inc/arc.i
LOAD usr/src/bin/arcme.s
ASM