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33 lines
574 B
ArmAsm
33 lines
574 B
ArmAsm
;
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; Ullrich von Bassewitz, 2002-11-29
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;
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; unsigned char __fastcall__ em_unload (void);
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; /* Unload the currently loaded driver. */
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.include "em-kernel.inc"
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.include "em-error.inc"
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.include "modload.inc"
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.import return0
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_em_unload:
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lda _em_drv
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ora _em_drv+1
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beq no_driver ; No driver
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jsr _em_deinstall ; Deinstall the driver
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lda _em_drv
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ldx _em_drv+1
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jsr _mod_free ; Free the driver
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jmp return0
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no_driver:
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tax ; X = 0
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lda #EM_ERR_NO_DRIVER
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rts
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