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100 lines
1.6 KiB
Plaintext
100 lines
1.6 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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*--------------------------------------
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* K.GetDevByIDA
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* IN:
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* A = DevID
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* OUT:
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* CC = OK, CS = ERROR
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* Y,A = devslot
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* X Unmodified
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*--------------------------------------
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K.GetDevByIDA cmp DevMgr.LastDevID
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beq .1
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bcs K.GetDevDNF
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.1 pha save ID
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asl
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asl
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asl
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asl
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adc #DevMgr.Table
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tay
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pla
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php
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lsr
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lsr
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lsr
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lsr
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plp
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adc /DevMgr.Table
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rts CC
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*--------------------------------------
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* GetDevIDByNameA
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* IN:
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* A = hPStr
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* OUT:
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* CC = OK, CS = ERROR
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* X = DEVID
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* Y,A = pDev
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*--------------------------------------
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K.GetDevByNameYA
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>STYA ZPQuickPtr1
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>LDYAI DevMgr.Table+S.DEV.NAME
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>STYA ZPQuickPtr2
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ldx #0
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.1 lda (ZPQuickPtr1)
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cmp (ZPQuickPtr2)
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bne .3
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tay
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.2 lda (ZPQuickPtr1),y
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cmp (ZPQuickPtr2),y
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bne .3
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dey
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bne .2
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lda ZPQuickPtr2
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sec
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sbc #S.DEV.NAME
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tay
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lda ZPQuickPtr2+1
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sbc /S.DEV.NAME
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clc
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rts
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.3 lda ZPQuickPtr2
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clc
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adc #S.DEV
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sta ZPQuickPtr2
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bcc .4
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inc ZPQuickPtr2+1
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.4 cpx DevMgr.LastDevID
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inx
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bcc .1
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K.GetDevDNF lda #DEVMGR.ERRDNF
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rts
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*--------------------------------------
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K.GetDevInfoA jsr K.GetDevByIDA
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bcs K.GetDevDNF
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>STYA ZPQuickPtr1
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ldx #DEVMGR.GETINFO
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jmp (ZPQuickPtr1)
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*--------------------------------------
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MAN
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SAVE SYS/KERNEL.S.DEV
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LOAD SYS/KERNEL.S
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ASM
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