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Presents historical artifacts from the history of:

Philips Data Systems

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about Philips Data Systems

Excavated with: AutoArchaeologist - Free & Open Source Software. 

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⟦c26a29d57⟧ 

    Length: 1334 (0x536)
    Notes: pts_type(SC)
    Names: »DVKB01.SC«

Derivation

└─⟦781e933ac⟧ Bits:30009686 Philips computer tape "600310"
    └─⟦this⟧ »M:92T1/DVKB01.SC«

PTS(SC)

	IDENT DVKB01 	REL 9.2 79-11-16  870105040920 

*  KEYBOARD DEVICE WORK TABLE 
* 
	ENTRY	DVKB01	TABLE ENTRY 
	EXTRN	CTAB01 
	EXTRN	KBAD	POINTER TO ADDRESSBLOCK 
	EXTRN	DVDY01 
MMUPAG	EQU	0
* 
DVKB01	EQU	*	TABLE ENTRY
	DATA	/1125	CHANNEL PARAMETER 
	DATA	/8000	STATUS./8000 MEANS DEVICE READY 
	DATA	0	ECB ADDRESS 
	DATA	DWTEND-DVKB01	ORDER 
	DATA	KBAD	POINTER TO ADDRESS BLOCK 
	DATA	'KB'	TTAB-ADDRESS 
	DATA	0	WAIT/ACTIVATE INDICATOR 
	DATA	0	TERMINAL QUEUE
	IFT	MMUPAG=1 
	DATA	0	SAVE AREA USER ECB ADDRESS
	DATA	DEVECB	MMU ECB ADDRESS
	XIF
	DATA	CTAB01	CONVERSION TABLE POINTER 
	DATA	0	SAVE AREA FOR A3
	DATA	0	SAVE AREA FOR A4
	DATA	0	SAVE AREA FOR A5
	RES	4	DWT-STACK
	DATA	0	TIMER POINTER 
	DATA	DVDY01	DVDY01O DEVICE 
	DATA	/FFFF	BACKSPACE AND CANCEL
	DATA	/FFBA	EOR AND DOUBLE ZERO 
	DATA	DWTSQ+DVKB01	POINTER TO FIRST PLACE IN QUEUE
	DATA	DWTSQ+DVKB01	POINTER TO LAST PLACE IN QUEUE 
DWTSQ	EQU	*-DVKB01
	DATA	0,0,0,0,0 
	IFT	MMUPAG=1 
DEVECB	EQU	*
	DATA	0,0,0,0,0,0 
	DATA 
	XIF
DWTEND	EQU	*
* 
	END

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