Keyboard input/Keypress check: Difference between revisions
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==={{header|Applesoft BASIC}}=== |
==={{header|Applesoft BASIC}}=== |
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<lang ApplesoftBasic>K = PEEK(-16384) : IF K > 127 THEN POKE -16368,0 : K$ = CHR$(K)</lang> |
<lang ApplesoftBasic>K = PEEK(-16384) : IF K > 127 THEN POKE -16368,0 : K$ = CHR$(K)</lang> |
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==={{header|IS-BASIC}}=== |
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<lang IS-BASIC>100 LET K$=INKEY$</lang> |
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or |
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<lang IS-BASIC>100 GET K$</lang> |
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==={{header|ZX Spectrum Basic}}=== |
==={{header|ZX Spectrum Basic}}=== |
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20 LET k$ = INKEY$</lang> |
20 LET k$ = INKEY$</lang> |
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=={{header|BBC BASIC}}== |
==={{header|BBC BASIC}}=== |
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<lang bbcbasic> key$ = INKEY$(0)</lang> |
<lang bbcbasic> key$ = INKEY$(0)</lang> |
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If there was no keypress an empty string is returned. Alternatively a numeric key-code may be obtained; if there was no keypress -1 is returned: |
If there was no keypress an empty string is returned. Alternatively a numeric key-code may be obtained; if there was no keypress -1 is returned: |