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23 lines
695 B
ArmAsm
23 lines
695 B
ArmAsm
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; Ullrich von Bassewitz, 21.06.2002
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;
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; void __fastcall__ tgi_done (void);
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; /* End graphics mode, switch back to text mode. Will NOT unload the driver! */
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.include "tgi-kernel.inc"
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.export _tgi_done
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_tgi_done:
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lda _tgi_mode ; Is a graphics mode active?
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beq @L1 ; Jump if not
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jsr tgi_done ; Call the driver routine
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jsr tgi_fetch_error ; Get the error code
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lda _tgi_error ; Did we have an error?
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bne @L1 ; Jump if yes
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sta _tgi_mode ; Reset the current mode
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@L1: rts
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