FreeCalypso > hg > freecalypso-tools
annotate target-utils/c139-lldbg/mygetchar.c @ 486:f478d7491fe6
CHANGES: fc-bin2rftab addition documented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 15 Mar 2019 06:34:51 +0000 |
parents | e7502631a0f9 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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2 * The interactive command entry (editing) function in libcommon |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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3 * will call mygetchar() for its character input. It is supposed |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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4 * to be a blocking wait for input, but in some programs other |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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5 * processing can be done while waiting - for example, check for |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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6 * keypad presses as well. This is the basic version which waits |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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7 * for serial input and nothing else. |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 */ |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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9 |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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10 extern int serial_in_poll(); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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11 |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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12 int |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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13 mygetchar() |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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14 { |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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15 register int c; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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16 |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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17 do |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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18 c = serial_in_poll(); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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19 while (c < 0); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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20 return c; |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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21 } |