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42 lines
856 B
ArmAsm
42 lines
856 B
ArmAsm
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; Karri Kaksonen, 2010
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;
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; lynx_load(fileno) is a convenience function that is widely used on the Lynx.
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; Basically this opens directory entry fileno and reads the content of the
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; file this points to into RAM.
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;
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; void lynx_load(int fileno)
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;
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.importzp _FileFileLen
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.importzp _FileDestAddr
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.import pushax,ldax0sp,pusha0,incsp2
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.import _openn
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.import _read
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.export _lynx_load
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; ---------------------------------------------------------------
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; void __near__ __fastcall__ lynx_load (int)
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; ---------------------------------------------------------------
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.segment "CODE"
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.proc _lynx_load: near
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.segment "CODE"
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jsr pushax
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jsr ldax0sp
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jsr _openn
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lda #$01
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jsr pusha0
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lda _FileDestAddr
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ldx _FileDestAddr+1
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jsr pushax
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lda _FileFileLen
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ldx _FileFileLen+1
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jsr _read
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jmp incsp2
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.endproc
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