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39 lines
1.4 KiB
39 lines
1.4 KiB
BITS 16 |
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; THIS LIBARY IS IN REALLY BAD SHAPE |
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; Power_off is okay to use |
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power_check: |
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;perform an installation check |
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mov ah,53h ;this is an APM command |
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mov al,00h ;installation check command |
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xor bx,bx ;device id (0 = APM BIOS) |
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int 15h ;call the BIOS function through interrupt 15h |
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call printCRLF |
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call dumpax |
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;jc APM_error ;if the carry flag is set there was an error |
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;the function was successful |
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;AX = APM version number |
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;AH = Major revision number (in BCD format) |
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;AL = Minor revision number (also BCD format) |
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;BX = ASCII characters "P" (in BH) and "M" (in BL) |
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;CX = APM flags (see the official documentation for more details) |
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ret |
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power_enable: |
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;Enable power management for all devices |
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mov ah,53h ;this is an APM command |
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mov al,08h ;Change the state of power management... |
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mov bx,0001h ;...on all devices to... |
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mov cx,0001h ;...power management on. |
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int 15h ;call the BIOS function through interrupt 15h |
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;jc APM_error ;if the carry flag is set there was an error |
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ret |
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power_off: |
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;actual shutdown command |
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mov ah, 0x53 |
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mov al, 0x07 |
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mov bx, 0x1 |
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mov cx, 0x3 |
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int 0x15 |
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ret |