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LanCEGS:Debugging session #2
This commit is contained in:
Rémy GIBERT
parent
d91263394b
commit
5ad008221d
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@ -15,7 +15,6 @@ AUTO 6
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ZPTmpPTR .EQ ZPDRV
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*--------------------------------------
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DEVID .EQ $33
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REVID .EQ $46 CHIP=4,REV=6
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*--------------------------------------
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* SMSC L91C96 IO Registers
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*--------------------------------------
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@ -43,9 +42,9 @@ L91C96.1.BAR .EQ $C082
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L91C96.1.IAR .EQ $C084
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L91C96.1.GPR .EQ $C08A
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L91C96.1.CTR .EQ $C08C
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L91C96.1.CTR.DEFAULT .EQ %00000000.00000001
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L91C96.1.CTR.AUTOREL .EQ %00000000.00001000
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L91C96.2.MMUCR .EQ $C080
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L91C96.2.MMUCR.ALLOC .EQ %00100000
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L91C96.2.MMUCR.RESET .EQ %01000000
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@ -58,7 +57,6 @@ L91C96.2.PTR .EQ $C086
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L91C96.2.PTR.RCVD .EQ %10000000.00000000
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L91C96.2.PTR.AUTOI .EQ %01000000.00000000
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L91C96.2.PTR.READ .EQ %00100000.00000000
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L91C96.2.DATA .EQ $C088
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L91C96.2.IST .EQ $C08C
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L91C96.2.IST.ALLOC .EQ %00001000
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@ -100,21 +98,14 @@ Dev.Detect sta hArgs
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ldx #$10
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.1 lda L91C96.BSR+1,x
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cmp #DEVID
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bne .2
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beq .3
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lda #3
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sta L91C96.BSR,x
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lda L91C96.3.REV,x
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cmp #REVID
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bra .3
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.2 inc DEV.HEADER.NAME+4
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inc DEV.HEADER.NAME+4
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txa
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clc
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adc #$10
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tax
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cpx #$80
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bne .1
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bpl .1 not yat at $80
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>LDYA L.MSG.DETECT.KO
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>SYSCALL SYS.PSTROutYA
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@ -222,9 +213,9 @@ OPEN jsr Reset will select L91C96.0
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bne .2
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.3 ldx DEVSLOTx0
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lda #L91C96.1.CTR.AUTOREL
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lda #L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL
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sta L91C96.1.CTR,x
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lda /L91C96.1.CTR.AUTOREL
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lda /L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL
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sta L91C96.1.CTR+1,x
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clc
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@ -252,27 +243,32 @@ GETEVENT.RxOK lda #L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
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lda /L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
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sta L91C96.2.PTR+1,x
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lda L91C96.2.DATA,x
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lda L91C96.2.DATA,x
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pha
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and #$60 Broadcast?
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asl
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lda L91C96.2.DATA,x Get Frame Status Word (lo)
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lda L91C96.2.DATA,x Get Frame Status Word (HI)
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asl #$60 = Broadcast?
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ldy #S.EVT.DATAHI
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sta (pEvent),y
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clc
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pla #$10 = odd?
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and #$10
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beq .1
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sec
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.1 lda L91C96.2.DATA,x get lo byte count
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sbc #3 compute FRAMELEN+2
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asl
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asl #$10 = odd?
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asl if odd, CS
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lda L91C96.2.DATA,x get lo byte count
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sbc #5 compute FRAMELEN
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sta FRAMELEN
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tay
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lda L91C96.2.DATA,x
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lda L91C96.2.DATA,x get hi byte count
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sbc #0
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sta FRAMELEN+1
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>PUSHYA FRAMLEN+2
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iny
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bne .1
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inc
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.1 iny
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bne .11
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inc
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.11 >PUSHYA FRAMLEN+2
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>PUSHBI 0
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>SYSCALL SYS.GetMem
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bcs .99
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@ -284,16 +280,12 @@ GETEVENT.RxOK lda #L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
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lda #S.EVT.F.NET+S.EVT.F.hMEM1
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sta (pEvent)
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ldy #0
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lda FRAMELEN
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sbc #1 CC from SYSCALL
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sta FRAMELEN
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sta (ZPTmpPTR),y
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iny
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sta (ZPTmpPTR)
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ldy #1
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lda FRAMELEN+1
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sbc #0
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sta (ZPTmpPTR),y
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iny
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ldx DEVSLOTx0
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@ -323,9 +315,6 @@ GETEVENT.RxOK lda #L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
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rts
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*--------------------------------------
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CLOSE jsr Reset
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lda #0
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sta L91C96.0.RCR,x
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sta L91C96.0.RCR+1,x
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clc
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rts
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*--------------------------------------
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@ -339,8 +328,8 @@ GETINFO lda #S.DEVINFO.NET.STATUS.10
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sta LINK.STATUS
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ldx DEVSLOTx0
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lda #0
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sta L91C96.BSR,x
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stz L91C96.BSR,x
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lda L91C96.0.EPHSR,x
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lda L91C96.0.EPHSR+1,x
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and /L91C96.0.EPHSR.LINK
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@ -424,16 +413,18 @@ SEND >PULLW ZPTmpPTR
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bpl .4
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ldx DEVSLOTx0
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stz L91C96.2.DATA,x write fake statusword
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stz L91C96.2.DATA,x write fake status word
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stz L91C96.2.DATA,x
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lda FRAMELEN
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pha
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eor #$01
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lsr
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pla
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sbc #$fb add 5 if odd, 6 if even
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adc #$05 add 5 if odd, 6 if even
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sta L91C96.2.DATA,x
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lda FRAMELEN+1
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adc #$00
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sta L91C96.2.DATA,x
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ldy #2
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@ -462,9 +453,9 @@ SEND >PULLW ZPTmpPTR
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sta L91C96.2.DATA,x
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bra .8
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.71 lda #$40 signal an extra (odd) byte
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.71 pla
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sta L91C96.2.DATA,x
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pla
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lda #%00100000 signal an extra (odd) byte
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sta L91C96.2.DATA,x
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.8 lda #L91C96.2.MMUCR.NQPKT
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@ -478,8 +469,7 @@ SEND >PULLW ZPTmpPTR
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* PRIVATE
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*--------------------------------------
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Reset ldx DEVSLOTx0
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lda #0
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sta L91C96.BSR,x
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stz L91C96.BSR,x
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lda #L91C96.0.RCR.RESET
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sta L91C96.0.RCR,x
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@ -489,8 +479,13 @@ Reset ldx DEVSLOTx0
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lda $C019 we can use VBL as we are not on //c
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.1 eor $C019
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bpl .1
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lda $C019
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.2 eor $C019
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bpl .2
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stz L91C96.0.RCR,x
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stz L91C96.0.RCR+1,x
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rts
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*--------------------------------------
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DecFrameLen lda FRAMELEN
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