A2osX/SYS/KERNEL.S.NET.txt
2015-06-03 20:30:57 +02:00

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PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
*--------------------------------------
* S.AddNetCfg
* in :
* PULLB = ProtocolID
* PULLW = PTR to NetCfg Struct
* out :
* A =
* cc,cs
*--------------------------------------
S.AddNetCfg lda NetCfgCnt
cmp #K.NETCFG.MAX
beq .9
asl
sta NetCfgIdx
tax
>PULLB NetCfgTbl,x save PROTOID
>PULLW ZPQuickPtr1
>PUSHWI K.NETCFG.SIZE
>PUSHBI 0
jsr S.GetMem
bcs .99
>STYA ZPQuickPtr2
txa
ldx NetCfgIdx
sta NetCfgTbl+1,x
ldy #K.NETCFG.SIZE
.1 dey
lda (ZPQuickPtr1),y
sta (ZPQuickPtr2),y
tya
bne .1
lda NetCfgCnt
inc NetCfgCnt
clc
rts
.9 >PULLA discard parameters
>PULLA
>PULLA
sec
.99 rts
*--------------------------------------
* S.SetNetCfg
* in :
* PULLB = ProtocolID
* PULLW = PTR to NetConfig
* out :
*--------------------------------------
S.SetNetCfg >PULLA
pha
>PULLW ZPQuickPtr1
pla
ldx NetCfgCnt
beq .9
ldy #0
.1 cmp NetCfgTbl,y
beq .2
iny
iny
dex
bne .1
.9 sec
rts
.2 lda NetCfgTbl+1,y
jsr S.GetMemPtrA
>STYA ZPQuickPtr2
ldy #K.NETCFG.SIZE
.3 dey
lda (ZPQuickPtr1),y
sta (ZPQuickPtr2),y
tya
bne .3
clc
rts
*--------------------------------------
* S.GetNetCfgA
* in :
* A = ProtocolID
* out :
* Y,A = PTR to NetConfig
*--------------------------------------
S.GetNetCfgA ldx NetCfgCnt
beq .9
ldy #0
.1 cmp NetCfgTbl,y
beq .2
iny
iny
dex
bne .1
.9 sec
rts
.2 lda NetCfgTbl+1,y
jsr S.GetMemPtrA
clc
rts
*--------------------------------------
* S.ClrNetCfgA
* in :
* A = ProtocolID
* out :
* cc,cs
*--------------------------------------
S.ClrNetCfgA ldx NetCfgCnt
beq .9
ldy #0
.1 cmp NetCfgTbl,y
beq .2
iny
iny
dex
bne .1
.9 sec
rts
.2 lda NetCfgTbl+1,y
jsr S.FreeMemA X,Y unmodified
cpy #K.NETCFG.MAX*2-2 last slot?
beq .4
.3 lda NetCfgTbl+2,y
sta NetCfgTbl,y
lda NetCfgTbl+3,y
sta NetCfgTbl+1,y
iny
iny
cpy #K.NETCFG.MAX*2-2 last slot?
bne .3
.4 lda #0
sta NetCfgTbl+1,y
sta NetCfgTbl,y
clc
rts
*--------------------------------------
NetCfgCnt .HS 00
NetCfgIdx .BS 1
NetCfgTbl .BS K.NETCFG.MAX*2
*--------------------------------------
MAN
SAVE SYS/KERNEL.S.NET
LOAD SYS/KERNEL.S
ASM