VDU 5

Discussions about the BBC BASIC language, with particular reference to BB4W and BBCSDL
Ivan
Posts: 42
Joined: Tue 07 May 2019, 16:47

VDU 5

Post by Ivan »

"VDU 5 causes text to be written at the graphics cursor position."

Is there a VDU 5 "OFF" switch, so I can use PRINT TAB again?
BBC Model B - 1984-1989. 6502 assembler, Unicomal 1988-1994, Some C and C++, Pascal 1990-1994. Bought a copy of BBC-BASIC 2007, but started to program at a daily basis 2019. Project: Calculation by efficient use of fabric.

RichardRussell
Posts: 386
Joined: Tue 15 Oct 2019, 09:10

Re: VDU 5

Post by RichardRussell »

Ivan wrote:
Fri 31 Jul 2020, 13:29
"VDU 5 causes text to be written at the graphics cursor position."
Is there a VDU 5 "OFF" switch, so I can use PRINT TAB again?
"VDU 4 causes text to be written at the text cursor position in the normal way"
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Ivan
Posts: 42
Joined: Tue 07 May 2019, 16:47

Re: VDU 5

Post by Ivan »

Of course - Thanks.
BBC Model B - 1984-1989. 6502 assembler, Unicomal 1988-1994, Some C and C++, Pascal 1990-1994. Bought a copy of BBC-BASIC 2007, but started to program at a daily basis 2019. Project: Calculation by efficient use of fabric.

RichardRussell
Posts: 386
Joined: Tue 15 Oct 2019, 09:10

Re: VDU 5

Post by RichardRussell »

Ivan wrote:
Fri 31 Jul 2020, 19:13
Of course - Thanks.
Other VDU commands which operate in pairs are VDU 2 & 3 (enable and disable printer), VDU 6 & 21 (enable and disable screen output) and VDU 14 & 15 (enable and disable 'paged' mode).
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