Check output device is a terminal: Difference between revisions
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=={{header|6502 Assembly}}== |
=={{header|6502 Assembly}}== |
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{{works with|Commodore 64}} |
{{works with|Commodore 64}} |
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<lang 6502asm>LDA $D011 ;screen control register 1 |
<lang 6502asm>LDA $D011 ;screen control register 1 |
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AND #%00100000 ;bit 5 clear = text mode, bit 5 set = gfx mode |
AND #%00100000 ;bit 5 clear = text mode, bit 5 set = gfx mode |
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BEQ isTerminal</lang> |
BEQ isTerminal</lang> |
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