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/* |
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* xlowmem.h - Definitions for extra Low Memory globals (0x2800..) |
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* |
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* SheepShaver (C) 1997-2005 Christian Bauer and Marc Hellwig |
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* |
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* This program 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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* |
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* This program 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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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; 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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*/ |
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|
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#ifndef XLOWMEM_H |
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#define XLOWMEM_H |
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|
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// Modes for XLM_RUN_MODE |
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#define MODE_68K 0 // 68k emulator active |
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#define MODE_NATIVE 1 // Switched to native mode |
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#define MODE_EMUL_OP 2 // 68k emulator active, within EMUL_OP routine |
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#define XLM_SIGNATURE 0x2800 // SheepShaver signature |
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#define XLM_KERNEL_DATA 0x2804 // Pointer to Kernel Data |
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#define XLM_TOC 0x2808 // TOC pointer of emulator |
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#define XLM_SHEEP_OBJ 0x280c // Pointer to SheepShaver object |
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#define XLM_RUN_MODE 0x2810 // Current run mode, see enum above |
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#define XLM_68K_R25 0x2814 // Contents of the 68k emulator's r25 (which contains the interrupt level), saved upon entering EMUL_OP mode, used by Execute68k() and the USR1 signal handler |
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#define XLM_IRQ_NEST 0x2818 // Interrupt disable nesting counter (>0: disabled) |
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#define XLM_PVR 0x281c // Theoretical PVR |
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#define XLM_BUS_CLOCK 0x2820 // Bus clock speed in Hz (for DriverServicesLib patch) |
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#define XLM_EMUL_RETURN_PROC 0x2824 // Pointer to EMUL_RETURN routine |
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#define XLM_EXEC_RETURN_PROC 0x2828 // Pointer to EXEC_RETURN routine |
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#define XLM_EMUL_OP_PROC 0x282c // Pointer to EMUL_OP routine |
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#define XLM_EMUL_RETURN_STACK 0x2830 // Stack pointer for EMUL_RETURN |
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#define XLM_RES_LIB_TOC 0x2834 // TOC pointer of Resources library |
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#define XLM_GET_RESOURCE 0x2838 // Pointer to native GetResource() routine |
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#define XLM_GET_1_RESOURCE 0x283c // Pointer to native Get1Resource() routine |
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#define XLM_GET_IND_RESOURCE 0x2840 // Pointer to native GetIndResource() routine |
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#define XLM_GET_1_IND_RESOURCE 0x2844 // Pointer to native Get1IndResource() routine |
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#define XLM_R_GET_RESOURCE 0x2848 // Pointer to native RGetResource() routine |
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#define XLM_EXEC_RETURN_OPCODE 0x284c // EXEC_RETURN opcode for Execute68k() |
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#define XLM_ZERO_PAGE 0x2850 // Pointer to read-only page with all bits set to 0 |
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#define XLM_ETHER_INIT 0x28c0 // Pointer to ethernet InitStreamModule() function |
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#define XLM_ETHER_TERM 0x28c4 // Pointer to ethernet TerminateStreamModule() function |
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#define XLM_ETHER_OPEN 0x28c8 // Pointer to ethernet ether_open() function |
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#define XLM_ETHER_CLOSE 0x28cc // Pointer to ethernet ether_close() function |
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#define XLM_ETHER_WPUT 0x28d0 // Pointer to ethernet ether_wput() function |
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#define XLM_ETHER_RSRV 0x28d4 // Pointer to ethernet ether_rsrv() function |
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#define XLM_VIDEO_DOIO 0x28d8 // Pointer to video DoDriverIO() function |
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#endif |
