Difference between revisions of "OSWORD &8B"

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(Document what has actually been implemented prior to this article existing)
(Tweeked format.)
 
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OSWORD &8B (139) - Read soft Teletext font
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[[Category:OSWORD]]
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{{PageTitle|OSWORD &8B (139): Read soft Teletext font}}__NOTOC__
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Two forms of this call exist, the first is supported by BBCSDL from version 1.12a and Matrix Brandy from V1.22.5:
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  On entry:
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    XY+0    Size of outward control block (4)
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On entry:
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    XY+1    Size of returned control block (44)
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XY+0    Size of outward control block (3)
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    XY+2    Character code
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XY+1    Size of returned control block (43)
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    XY+3    Character sub-code
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XY+2    Character code
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XY+3... Ten 4-byte words of pixel data
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  On exit:
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    XY+4... Ten 4-byte words of pixel data
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The second form is only supported by Matrix Brandy from V1.22.5:
 
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On entry:
 
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XY+0    Size of outward control block (4)
 
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XY+1    Size of returned control block (44)
 
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XY+2    Character code
 
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XY+3    Character sub-code
 
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XY+4... Ten 4-byte words of pixel data
 
  
 
===See also===
 
===See also===
 
* [[OSWORD &8C|OSWORD &8C (140)]] Write soft Teletext font
 
* [[OSWORD &8C|OSWORD &8C (140)]] Write soft Teletext font

Latest revision as of 23:03, 23 December 2023

OSWORD &8B (139): Read soft Teletext font 
 On entry:
   XY+0    Size of outward control block (4)
   XY+1    Size of returned control block (44)
   XY+2    Character code
   XY+3    Character sub-code
 
 On exit:
   XY+4... Ten 4-byte words of pixel data

See also

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