Apple-2-SW
/
A2osX
mirror of https://github.com/A2osX/A2osX.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Kernel 0.93+

This commit is contained in:
Rémy GIBERT 2019-10-09 17:43:31 +02:00
parent 577850daa6
commit 3ac336ccd1
3 changed files with 90 additions and 75 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
.Floppies/A2OSX.BUILD.po
View File

Binary file not shown.

7
INC/LIBPAK.I.txt
View File

@ -23,11 +23,12 @@ PAK.B.BL.W .EQ 5
* !!! USED TO STOP UNPACK,NO EOF TOKEN!!!
*--------------------------------------
S.PAKSHNK.ULEN .EQ 0 Uncompressed length
S.PAKSHNK.TOPCNT .EQ 2
S.PAKSHNK.TOPBYTES .EQ 3
S.PAKSHNK.BLBITS .EQ 2 1.lll.oooo
S.PAKSHNK.TOPCNT .EQ 3
S.PAKSHNK.TOPBYTES .EQ 4
* TOP Bytes ....
* DATA
S.PAKSHNK .EQ 2+1+24 Max
S.PAKSHNK .EQ 2+1+1+24 Max
*--------------------------------------
S.PAKSTAT.PASS1 .EQ 0
S.PAKSTAT.PASS2 .EQ 2

158
LIB/LIBPAK.S.txt
View File

@ -99,7 +99,7 @@ Pak >PULLW Pak.SrcPtr
dey
bpl .7
>DEBUG
* >DEBUG
>LDYA Pak.Stat+S.PAKSTAT.PASS2
clc
@ -109,6 +109,8 @@ Pak >PULLW Pak.SrcPtr
Pak.Run >LDYA Pak.SrcPtr
>STYA ZPSrcPtr
stz Pak.Rep.Longest
stz Pak.BL.Longest
stz Pak.BL.Farest
stz Pak.BL.Farest+1
@ -145,34 +147,31 @@ Pak.Run.1 inc Pak.SrcCnt
inc Pak.SrcCnt+1
beq .8 0 byte left...
.1 Pak.ScanRep
.1 jsr Pak.ScanRep
bcs .10
10 jsr Pak.ScanBL
bcc .2
lda (ZPSrcPtr) Not found...
jsr Pak.PutByte
jsr Pak.PutRep
bcs .9
ldy Pak.RepCnt
bra .6
inc ZPSrcPtr
bne Pak.Run.1
inc ZPSrcPtr+1
bra Pak.Run.1
.10 jsr Pak.ScanBL
bcs .20
.2 jsr Pak.PutBL
bcs .9
lda Pak.BestBLLen
ldy Pak.BestBLLen
.6 tya
clc
adc ZPSrcPtr
sta ZPSrcPtr
bcc .3
bcc .7
inc ZPSrcPtr+1
.3 lda Pak.BestBLLen
.7 tya
clc
adc Pak.SrcCnt
sta Pak.SrcCnt
@ -182,11 +181,20 @@ Pak.Run.1 inc Pak.SrcCnt
.8 clc
.9 rts
.20 lda (ZPSrcPtr) Not found...
jsr Pak.PutByte8
bcs .9
inc ZPSrcPtr
bne Pak.Run.1
inc ZPSrcPtr+1
bra Pak.Run.1
*--------------------------------------
Pak.ScanRep >LDYA Pak.SrcCnt make sure not going past End Buffer
>STYA ZPCnt while reading ahead
lda (ZPSrcPtr)
lda Pak.LastByte
ldy #0
@ -194,19 +202,25 @@ Pak.ScanRep >LDYA Pak.SrcCnt make sure not going past End Buffer
bne .2
inc ZPCnt+1
beq .3 Last Src Data
beq .4 Last Src Data
.2 iny
cmp (ZPSrcPtr),y
.2 cmp (ZPSrcPtr),y
bne .4
.3 cpy #REP.MAX
iny
cpy #REP.MAX
bne .1
.4 dey
.4 tya
beq .9
clc
sty Pak.RepCnt
cpy Pak.Rep.Longest
bcc .8
sty Pak.Rep.Longest
.8 clc
rts
.9 sec
@ -320,6 +334,18 @@ Pak.ComputeBLBits
.4 stx Pak.BL.OfsBitsL
sty Pak.BL.OfsBitsH
lda Pak.BL.LenBits
asl
asl
asl
asl
adc Pak.BL.OfsBitsL
adc Pak.BL.OfsBitsH
ora #$80
sta Pak.Shnk+S.PAKSHNK.BLBITS
rts
*--------------------------------------
Pak.BuildTOPTable
@ -371,14 +397,30 @@ Pak.BuildTOPTable
rts
*--------------------------------------
Pak.PutRep bit Pak.bPass2
Pak.PutRep ldx #S.PAKSTAT.REPN
jsr Pak.UpdateStats
bit Pak.bPass2
bmi Pak.PutRep.2
ldx #S.PAKSTAT.BYTE8
jsr Pak.UpdateStats
ldx #S.PAKSTAT.PASS1
jsr Pak.UpdateStats
Pak.PutRep.2
clc
rts
Pak.PutRep.2 lda Pak.RepCnt
dec remap 1-8 to 0-7 range
ldy #PAK.B.REPn.W
ora #PAK.B.REPn
jsr Pak.Out.PutYBits
rts
*--------------------------------------
Pak.PutBL ldx #S.PAKSTAT.BL
jsr Pak.UpdateStats
@ -437,37 +479,18 @@ Pak.PutBL ldx #S.PAKSTAT.BL
.9 rts
*--------------------------------------
Pak.PutByte bit Pak.bPass2
Pak.PutByte8 sta Pak.LastByte
bit Pak.bPass2
bmi Pak.PutByte.2
bra .5
cmp Pak.LastByte
sta Pak.LastByte
bne .5
inc Pak.RepCnt
lda Pak.RepCnt
cmp #REP.MAX
bne .1
jsr Pak.FlushREP
.1 clc
rts
.5 tax
inc Pak.CntL,x
bne .6
inc Pak.CntH,x
.6 lda Pak.RepCnt
beq .8 No pending RepN
jsr Pak.FlushREP
.8 ldx #S.PAKSTAT.PASS1
.6 ldx #S.PAKSTAT.PASS1
jsr Pak.UpdateStats
ldx #S.PAKSTAT.BYTE8
@ -507,25 +530,11 @@ Pak.PutByte.2 ldy Pak.Shnk+S.PAKSHNK.TOPCNT
jsr Pak.UpdateStats
jmp Pak.Out.PutYBits
*--------------------------------------
Pak.FlushREP bit Pak.bPass2
bmi Pak.FlushREP.2
ldx #S.PAKSTAT.REPN
jsr Pak.UpdateStats
ldx #S.PAKSTAT.PASS1
jsr Pak.UpdateStats
stz Pak.RepCnt
clc
rts
Pak.FlushREP.2
Pak.Out.Init lda Pak.Shnk+S.PAKSHNK.BLBITS
jsr Pak.Out.PutByte
bcs .9
clc
rts
*--------------------------------------
Pak.Out.Init lda Pak.Shnk+S.PAKSHNK.TOPCNT
lda Pak.Shnk+S.PAKSHNK.TOPCNT
jsr Pak.Out.PutByte
bcs .9
@ -633,18 +642,21 @@ Pak.PrintStats lda Pak.BL.OfsBitsL
>PUSHA
>PUSHW Pak.BL.Farest
>PUSHB Pak.BL.LenBits
>PUSHB Pak.BL.Longest
ldx #14
>PUSHW Pak.Stat+S.PAKSTAT.BL
>PUSHB Pak.REP.Longest
>PUSHW Pak.Stat+S.PAKSTAT.REPN
ldx #10
.1 >PUSHW Pak.Stat,x
dex
dex
bpl .1
>PUSHBI 21
>PUSHBI 22
>LDYA L.MSG.Stats
>SYSCALL printf
@ -698,9 +710,9 @@ MSG.Stats .AS "\r\nPass 1 : %5D\r\n"
.AS "Top 8 : %5D\r\n"
.AS "Top 16 : %5D\r\n"
.AS "Top 24 : %5D\r\n"
.AS "Rep N : %5D\r\n"
.AS "Rep N : %5D, Longest : %d\r\n"
.AZ "BLNK : %5D, Longest : %d (%d bits), Farest : %D (%d bits)\r\n"
MSG.Top24 .AZ "Top (%2d) : %h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h\r\n"
MSG.Top24 .AZ "Top : %d, %h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h%h\r\n"
TOP.Bits .DA #PAK.B.TOP8,PAK.B.TOP16,PAK.B.TOP24
TOP.BitCnt .DA #PAK.B.TOP8.W,#PAK.B.TOP16.W,#PAK.B.TOP24.W
TOP.Stat .DA #S.PAKSTAT.TOP8,#S.PAKSTAT.TOP16,#S.PAKSTAT.TOP24
@ -726,6 +738,8 @@ Pak.BestBL .BS 2
Pak.Cnt .BS 2
Pak.bStop .BS 1
Pak.Rep.Longest .BS 1
Pak.RepCnt .BS 1
Pak.LastByte .BS 1