24 lines
351 B
ArmAsm
Executable file
24 lines
351 B
ArmAsm
Executable file
! inl() - Input one dword Author: Kees J. Bot
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! 18 Mar 1996
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! unsigned inl(U16_t port);
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o32 = 0x66
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.sect .text
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.define _inl
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_inl:
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push bp
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mov bp, sp
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pushf
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cli ! eax is not interrupt safe
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mov dx, 4(bp) ! port
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.data1 o32
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in dx ! read 1 dword
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.data1 o32
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push ax ! push eax
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pop ax
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pop dx ! dx:ax = eax
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popf
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pop bp
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ret
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