2022-08-07 20:10:08 +00:00
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#
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! $Source$
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! $State$
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! $Revision$
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! Declare segments (the order is important).
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.sect .text
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.sect .rom
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.sect .data
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.sect .bss
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.sect .text
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! Open an existing file.
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.define __sys_rawopen
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__sys_rawopen:
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2022-08-18 22:08:57 +00:00
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! Copy filename to transfer buffer.
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mov ebx, esp
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push esi
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push edi
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mov esi, 4(ebx)
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movzx edi, (transfer_buffer_ptr)
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mov es, (pmode_ds)
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cld
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1:
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lodsb
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stosb
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testb al, al
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jnz 1b
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! Make the DOS call.
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2022-08-07 20:10:08 +00:00
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movb ah, 0x3d
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2022-08-18 22:08:57 +00:00
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o16 mov dx, (transfer_buffer_ptr)
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movb al, 8(ebx)
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or ebx, 0x210000
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callf (interrupt_ptr)
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pop edi
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pop esi
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2022-08-07 20:10:08 +00:00
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jmp .sys_axret
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