Last change
on this file since 4b63bf3 was 3ae31e9, checked in by Thomas Lopatic <thomas@…>, 7 years ago |
Imported original source code.
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File size:
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1 | *
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2 | * beep.s -- beep the terminal
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3 | * ------ -----------------
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4 | * Version 1 -- 1987-02-05 -- D.N. Lynx Crowe
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5 | *
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6 | BELL .equ 7 * ASCII BELL
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7 | *
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8 | BIOS .equ 13 * BIOS trap
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9 | B_PUTC .equ 3 * B_PUTC function #
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10 | CON_DEV .equ 2 * CON_DEV number
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11 | GEMDOS .equ 1 * GEMDOS trap
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12 | *
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13 | .xdef beep
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14 | *
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15 | beep: move.w #BELL,-(a7) * Put BELL on stack
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16 | move.w #CON_DEV,-(a7) * Put CON_DEV on stack
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17 | move.w #B_PUTC,-(a7) * Put B_PUTC # on stack
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18 | trap #BIOS * Trap to the bios
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19 | addq #6,a7 * Cleanup stack
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20 | *
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21 | clr.w -(a7) * Setup for pterm()
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22 | trap #GEMDOS * Exit to GEMDOS
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23 | *
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24 | .end
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