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A2osX/SYS/KERNEL.S.SHARED.txt

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Kernel 0.93+
2019-07-26 14:23:07 +00:00
NEW
AUTO 3,1
*--------------------------------------
Kernel 0.93+
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SHARED.IsIDValid
cmp #'.'
beq SHARED.IsDigit.8
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cmp #'_'
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beq SHARED.IsDigit.8
SHARED.IsDigitOrL
cmp #'z'+1
Kernel 0.94++
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bcs SHARED.RTS
Kernel 0.94++
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Kernel 0.93+
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cmp #'a'
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bcs SHARED.IsDigit.8
Kernel 0.94++
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Kernel 0.93+
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cmp #'Z'+1
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bcs SHARED.RTS
Kernel 0.94++
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Kernel 0.93+
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cmp #'A'
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bcs SHARED.IsDigit.8
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Kernel 0.93+
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jmp ZP.IsDigit
SHARED.IsDigit.9
sec
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rts
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SHARED.IsDigit.8
clc
rts
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*--------------------------------------
Kernel 0.94++
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SHARED.TXTPTRgY sta CLRREADAUX
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lda (TXTPTR),y
sta SETREADAUX
rts
*--------------------------------------
Kernel 0.94++
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SHARED.TXTPTRgn sta CLRREADAUX
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lda (TXTPTR)
sta SETREADAUX
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beq SHARED.RTS
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SHARED.TXTPTRn inc TXTPTR
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bne SHARED.RTS
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inc TXTPTR+1
Kernel 0.93+
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rts
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*--------------------------------------
Kernel 0.94++
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SHARED.FORPNTgY sta CLRREADAUX
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lda (FORPNT),y
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sta SETREADAUX
rts
*--------------------------------------
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SHARED.FORPNTpY sta CLRWRITEAUX
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sta (FORPNT),y
sta SETWRITEAUX
rts
*--------------------------------------
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SHARED.FORPNTgn sta CLRREADAUX
Kernel 0.94
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lda (FORPNT)
sta SETREADAUX
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bra SHARED.FORPNTn
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*--------------------------------------
Kernel 0.94++
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SHARED.FORPNTpn sta CLRWRITEAUX
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sta (FORPNT)
sta SETWRITEAUX
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SHARED.FORPNTn inc FORPNT
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bne SHARED.RTS
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inc FORPNT+1
Kernel 0.93++
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SHARED.RTS rts
Kernel 0.93++
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*--------------------------------------
Kernel 0.94++
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SHARED.GetCP1 lda (ZPPtr1)
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beq SHARED.RTS
Kernel 0.93+
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inc ZPPtr1
bne .8
Kernel 0.94++
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Kernel 0.93+
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inc ZPPtr1+1 never Z
.8 rts
*--------------------------------------
Kernel 0.94++
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SHARED.AddYp12P1
Kernel 0.93+
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sec
.HS 90 BCC
Kernel 0.94++
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SHARED.AddY2P1 clc
Kernel 0.93+
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tya
adc ZPPtr1
sta ZPPtr1
bcc .8
Kernel 0.94++
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Kernel 0.93+
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inc ZPPtr1+1
Kernel 0.94++
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Kernel 0.93+
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.8 rts
*--------------------------------------
Kernel 0.94++
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SHARED.AddYp12P2
Kernel 0.93+
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sec
.HS 90 BCC
Kernel 0.94++
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SHARED.AddY2P2 clc
Kernel 0.93+
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tya
adc ZPPtr2
sta ZPPtr2
bcc .8
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Kernel 0.93+
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clc keep CC as some JMP exit here
inc ZPPtr2+1
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Kernel 0.93+
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.8 rts
*--------------------------------------
Kernel 0.94++
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SHARED.GetCP2 lda (ZPPtr2)
bne SHARED.NextCP2
Kernel 0.93+
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rts
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*--------------------------------------
SHARED.PutCP2 sta (ZPPtr2)
SHARED.NextCP2 inc ZPPtr2
Kernel 0.93+
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bne .8
Kernel 0.94++
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Kernel 0.93+
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inc ZPPtr2+1
.8 rts
*--------------------------------------
Kernel 0.94++
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SHARED.PullP2P1 >PULLW ZPPtr2
>PULLW ZPPtr1
rts
*--------------------------------------
SHARED.P3gY sta CLRREADAUX
Kernel 0.94
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lda (ZPPtr3),y
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sta SETREADAUX
Kernel 0.94
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rts
Kernel 0.93+
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*--------------------------------------
Kernel 0.93+
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MAN
Kernel 0.94+
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SAVE usr/src/sys/kernel.s.shared
LOAD usr/src/sys/kernel.s
Kernel 0.93+
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ASM
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