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R-type
45 lines
1.3 KiB
ArmAsm
45 lines
1.3 KiB
ArmAsm
| sound_dma.asm - Atari Falcon specific port code
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| Copyright (c) 1997-1998 Petr Stehlik and Karel Rous
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| Copyright (c) 1998-2003 Atari800 development team (see DOC/CREDITS)
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| This file is part of the Atari800 emulator project which emulates
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| the Atari 400, 800, 800XL, 130XE, and 5200 8-bit computers.
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| Atari800 is free software; you can redistribute it and/or modify
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| it under the terms of the GNU General Public License as published by
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| the Free Software Foundation; either version 2 of the License, or
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| (at your option) any later version.
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| Atari800 is distributed in the hope that it will be useful,
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| but WITHOUT ANY WARRANTY; without even the implied warranty of
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| GNU General Public License for more details.
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| You should have received a copy of the GNU General Public License
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| along with Atari800; if not, write to the Free Software
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| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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.globl _timer_A
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.globl _timer_A_v_C
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_timer_A:
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tst.b semafor
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bne.s konec
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st semafor
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movem.l d0-d7/a0-a6,zaloha_registru
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jsr _timer_A_v_C
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movem.l zaloha_registru,d0-d7/a0-a6
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sf semafor
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konec: rte
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.bss
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zaloha_registru:
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ds.l 15
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zaloha_SR:
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ds.w 1
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semafor:
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ds.b 1
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