mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 12:30:32 +00:00
96 lines
1.3 KiB
NASM
96 lines
1.3 KiB
NASM
; Generated at 1-1-2015 12:50:54
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DebugStub_ComAddr dd 0x03F8
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%ifndef Exclude_IOPort_Based_Serial
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DebugStub_InitSerial:
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Mov DX, [DebugStub_ComAddr]
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Mov BX, DX
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Add DX, 1
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Mov AL, 0
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Out DX, AL
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Mov DX, BX
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Add DX, 3
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Mov AL, 0x80
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Out DX, AL
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Mov DX, BX
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Mov AL, 0x01
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Out DX, AL
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Mov DX, BX
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Add DX, 1
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Mov AL, 0x00
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Out DX, AL
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Mov DX, BX
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Add DX, 3
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Mov AL, 0x03
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Out DX, AL
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Mov DX, BX
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Add DX, 2
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Mov AL, 0xC7
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Out DX, AL
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Mov DX, BX
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Add DX, 4
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Mov AL, 0x03
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Out DX, AL
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DebugStub_InitSerial_Exit:
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mov dword [static_field__Cosmos_Core_INTs_mLastKnownAddress], DebugStub_InitSerial_Exit
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Ret
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DebugStub_ComReadAL:
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Mov DX, [DebugStub_ComAddr]
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Add DX, 5
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DebugStub_ComReadAL_Wait:
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In AL, DX
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Test AL, 0x01
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JZ DebugStub_ComReadAL_Wait
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Mov DX, [DebugStub_ComAddr]
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In AL, DX
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DebugStub_ComReadAL_Exit:
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mov dword [static_field__Cosmos_Core_INTs_mLastKnownAddress], DebugStub_ComReadAL_Exit
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Ret
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DebugStub_ComWrite8:
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Mov DX, [DebugStub_ComAddr]
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Add DX, 5
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DebugStub_ComWrite8_Wait:
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In AL, DX
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Test AL, 0x20
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JZ DebugStub_ComWrite8_Wait
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Mov DX, 0x03F8
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Mov AL, [ESI + 0]
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Out DX, AL
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Inc ESI
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DebugStub_ComWrite8_Exit:
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mov dword [static_field__Cosmos_Core_INTs_mLastKnownAddress], DebugStub_ComWrite8_Exit
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Ret
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%endif
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