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A2osX/SYS/PM.VEDRIVE.S.GS.txt
burniouf 9e960a234e KERNEL: modification for CC (Slist API) updated FORTH,SH, CSH, SM.... 
KERNEL: modification for Softcard //e (may help...or not)
KERNEL: bugfix for VS/VE drive detetcion and report on KCONFIG
CC: some progress on STRUCT & UNION
SHARED/PrintF: removed support for /n..... (now in S-C MASM3.1 & A2osX-ASM)
2022-09-17 13:35:52 +02:00

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NEW
AUTO 3,1
*--------------------------------------
GS.Init lda CONF.SLOT
asl
asl
asl
asl
sta Slotn0
tax
lda #L91C96.0.TCR.FDSE+L91C96.0.TCR.FUDPLX+L91C96.0.TCR.PADEN+L91C96.0.TCR.TXENA
sta L91C96.0.TCR,x
lda /L91C96.0.TCR.FDSE+L91C96.0.TCR.FUDPLX+L91C96.0.TCR.PADEN+L91C96.0.TCR.TXENA
sta L91C96.0.TCR+1,x
lda #L91C96.0.RCR.NOCRC+L91C96.0.RCR.RXENA+L91C96.0.RCR.ALLMUL
sta L91C96.0.RCR,x
lda /L91C96.0.RCR.NOCRC+L91C96.0.RCR.RXENA+L91C96.0.RCR.ALLMUL
sta L91C96.0.RCR+1,x
lda #1
sta L91C96.BSR,x
lda #L91C96.1.CR.NOWAIT
sta L91C96.1.CR,x
lda /L91C96.1.CR.NOWAIT
sta L91C96.1.CR+1,x
ldy #0
.2 lda CONF.SRCMAC,y
sta L91C96.1.IAR,x
inx
iny
cpy #6
bne .2
.3 ldx Slotn0
lda #L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL
sta L91C96.1.CTR,x
lda /L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL
sta L91C96.1.CTR+1,x
clc
rts
*--------------------------------------
GS.Read php
sei
ldx Slotn0
lda #2
sta L91C96.BSR,x
lda L91C96.2.IST,x
and #L91C96.2.IST.RCV
beq GS.READWRITE.9
.1 lda #L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
sta L91C96.2.PTR,x
lda /L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
sta L91C96.2.PTR+1,x
lda L91C96.2.DATA,x Get Frame Status Word (lo)
lda L91C96.2.DATA,x Get Frame Status Word (HI)
asl
asl
asl #$10 = odd?
asl if odd, CS
lda L91C96.2.DATA,x get lo byte count
sbc #5 compute Size
sta ZPBufCnt
eor #$ff
sta ZPnCnt
lda L91C96.2.DATA,x get hi byte count
sbc #0
sta ZPBufCnt+1
eor #$ff
sta ZPnCnt+1
ldy #0
.2 inc ZPnCnt
bne .3
inc ZPnCnt+1
beq .4
.3 lda L91C96.2.DATA,x
sta (ZPBufPtr),y
iny
bne .2
inc ZPBufPtr+1
bra .2
.4 lda #L91C96.2.MMUCR.REMREL
sta L91C96.2.MMUCR,x
plp
clc
rts
*--------------------------------------
GS.READWRITE.9 plp
sec
rts
*--------------------------------------
GS.Write php
sei
ldx Slotn0
lda #2
sta L91C96.BSR,x
lda ZPBufCnt
eor #$ff
sta ZPnCnt
eor #$ff
clc
adc #6 3 WORDs more Status, len & Control
bne .10
clc LO byte is 0, no need for an extra empty page
.10 lda ZPBufCnt+1
eor #$ff
sta ZPnCnt+1
eor #$ff
adc #0
.1 ora #L91C96.2.MMUCR.ALLOC
sta L91C96.2.MMUCR,x
ldy #0
.2 lda L91C96.2.IST,x
and #L91C96.2.IST.ALLOC
bne .3
dey
bne .2
bra GS.READWRITE.9
.3 lda L91C96.2.AAR,x
sta L91C96.2.PNR,x
lda #L91C96.2.PTR.AUTOI
sta L91C96.2.PTR,x
lda /L91C96.2.PTR.AUTOI
sta L91C96.2.PTR+1,x
ldy #S.ETH.SRCMAC+5 Add Src MAC Address
ldx #5
.4 lda CONF.SRCMAC,x
sta (ZPBufPtr),y
dey
dex
bpl .4
ldx Slotn0
stz L91C96.2.DATA,x write fake status word
stz L91C96.2.DATA,x
lda ZPBufCnt
pha
eor #$01
lsr
pla
adc #$05 add 5 if odd, 6 if even
sta L91C96.2.DATA,x
lda ZPBufCnt+1
adc #$00
sta L91C96.2.DATA,x
ldy #0
.5 inc ZPnCnt
bne .51
inc ZPnCnt+1
beq .70
.51 lda (ZPBufPtr),y
iny
bne .6
inc ZPBufPtr+1
.6 inc ZPnCnt
bne .61
inc ZPnCnt+1
beq .71
.61 sta L91C96.2.DATA,x
lda (ZPBufPtr),y
sta L91C96.2.DATA,x
iny
bne .5
inc ZPBufPtr+1
bra .5
.70 lda #0
sta L91C96.2.DATA,x
sta L91C96.2.DATA,x
bra .8
.71 sta L91C96.2.DATA,x
lda #%00100000 signal an extra (odd) byte
sta L91C96.2.DATA,x
.8 lda #L91C96.2.MMUCR.NQPKT
sta L91C96.2.MMUCR,x
plp
clc
rts
*--------------------------------------
GS.Name .PS "LanCEgs"
*--------------------------------------
DRV.GS .PH DRV.NIC.START
jmp DRV.GS.SendARP
jmp DRV.GS.SendUDP
DRV.GS.Rcvd php
sei
ldx DRV.BLK.Slotn0
lda #2
sta L91C96.BSR,x
lda L91C96.2.IST,x
and #L91C96.2.IST.RCV
beq DRV.GS.9
.1 lda #L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
sta L91C96.2.PTR,x
lda /L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
sta L91C96.2.PTR+1,x
lda L91C96.2.DATA,x Get Frame Status Word (lo)
lda L91C96.2.DATA,x Get Frame Status Word (HI)
asl
asl
asl #$10 = odd?
asl if odd, CS
lda L91C96.2.DATA,x get lo byte count
sbc #5 compute Size
sta DRV.FrameSize
eor #$ff
sta DRV.nCnt
lda L91C96.2.DATA,x get hi byte count
sbc #0
sta DRV.FrameSize+1
eor #$ff
sta DRV.nCnt+1
>LDYAI DRV.InBuf
>STYA DRV.A1L
ldy #0
.2 inc DRV.nCnt
bne .3
inc DRV.nCnt+1
beq .4
.3 lda L91C96.2.DATA,x
sta (DRV.A1L),y
iny
bne .2
inc DRV.A1L+1
bra .2
.4 lda #L91C96.2.MMUCR.REMREL
sta L91C96.2.MMUCR,x
plp
clc
rts
*--------------------------------------
DRV.GS.9 plp
sec
rts
*--------------------------------------
DRV.GS.SendARP >LDYAI S.ARP
>STYA DRV.FrameSize
>LDYAI DRV.ARPBuf
bra DRV.GS.Send
*--------------------------------------
DRV.GS.SendUDP >STYA DRV.FrameSize
jsr DRV.BLK.IPUDPCheksum
>LDYAI DRV.UDPBuf
DRV.GS.Send >STYA DRV.A1L
php
sei
ldx DRV.BLK.Slotn0
lda #2
sta L91C96.BSR,x
lda DRV.FrameSize
eor #$ff
sta DRV.nCnt
eor #$ff
clc
adc #6 3 WORDs more Status, len & Control
bne .10
clc LO byte is 0, no need for an extra empty page
.10 lda DRV.FrameSize+1
eor #$ff
sta DRV.nCnt+1
eor #$ff
adc #0
.1 ora #L91C96.2.MMUCR.ALLOC
sta L91C96.2.MMUCR,x
ldy #0
.2 lda L91C96.2.IST,x
and #L91C96.2.IST.ALLOC
bne .3
dey
bne .2
bra DRV.GS.9
.3 lda L91C96.2.AAR,x
sta L91C96.2.PNR,x
lda #L91C96.2.PTR.AUTOI
sta L91C96.2.PTR,x
lda /L91C96.2.PTR.AUTOI
sta L91C96.2.PTR+1,x
* ldy #S.ETH.SRCMAC+5 Add Src MAC Address
* ldx #5
*.4 lda CONF.SRCMAC,x
* sta (DRV.A1L),y
* dey
* dex
* bpl .4
ldx DRV.BLK.Slotn0
stz L91C96.2.DATA,x write fake status word
stz L91C96.2.DATA,x
lda DRV.FrameSize
pha
eor #$01
lsr
pla
adc #$05 add 5 if odd, 6 if even
sta L91C96.2.DATA,x
lda DRV.FrameSize+1
adc #$00
sta L91C96.2.DATA,x
ldy #0
.5 inc DRV.nCnt
bne .51
inc DRV.nCnt+1
beq .70
.51 lda (DRV.A1L),y
iny
bne .6
inc DRV.A1L+1
.6 inc DRV.nCnt
bne .61
inc DRV.nCnt+1
beq .71
.61 sta L91C96.2.DATA,x
lda (DRV.A1L),y
sta L91C96.2.DATA,x
iny
bne .5
inc DRV.A1L+1
bra .5
.70 lda #0
sta L91C96.2.DATA,x
sta L91C96.2.DATA,x
bra .8
.71 sta L91C96.2.DATA,x
lda #%00100000 signal an extra (odd) byte
sta L91C96.2.DATA,x
.8 lda #L91C96.2.MMUCR.NQPKT
sta L91C96.2.MMUCR,x
plp
clc
rts
*--------------------------------------
.EP
.LIST ON
DRV.GS.SIZE .EQ *-DRV.GS
.LIST OFF
*--------------------------------------
MAN
SAVE usr/src/sys/pm.vedrive.s.gs
LOAD usr/src/sys/pm.vedrive.s
ASM
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