diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/dos/ztimer.c')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/dos/ztimer.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/dos/ztimer.c b/board/MAI/bios_emulator/scitech/src/pm/dos/ztimer.c deleted file mode 100644 index 53ab16cf40..0000000000 --- a/board/MAI/bios_emulator/scitech/src/pm/dos/ztimer.c +++ /dev/null @@ -1,111 +0,0 @@ -/**************************************************************************** -* -* Ultra Long Period Timer -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: MSDOS -* -* Description: OS specific implementation for the Zen Timer functions. -* -****************************************************************************/ - - -/*---------------------------- Global variables ---------------------------*/ - -uchar * _VARAPI _ZTimerBIOSPtr; - -/*----------------------------- Implementation ----------------------------*/ - -/* External assembler functions */ - -void _ASMAPI LZ_timerOn(void); -ulong _ASMAPI LZ_timerLap(void); -void _ASMAPI LZ_timerOff(void); -ulong _ASMAPI LZ_timerCount(void); -void _ASMAPI LZ_disable(void); -void _ASMAPI LZ_enable(void); - -/**************************************************************************** -REMARKS: -Initialise the Zen Timer module internals. -****************************************************************************/ -void __ZTimerInit(void) -{ - _ZTimerBIOSPtr = PM_getBIOSPointer(); -} - -/**************************************************************************** -REMARKS: -Call the assembler Zen Timer functions to do the timing. -****************************************************************************/ -#define __LZTimerOn(tm) LZ_timerOn() - -/**************************************************************************** -REMARKS: -Call the assembler Zen Timer functions to do the timing. -****************************************************************************/ -#define __LZTimerLap(tm) LZ_timerLap() - -/**************************************************************************** -REMARKS: -Call the assembler Zen Timer functions to do the timing. -****************************************************************************/ -#define __LZTimerOff(tm) LZ_timerOff() - -/**************************************************************************** -REMARKS: -Call the assembler Zen Timer functions to do the timing. -****************************************************************************/ -#define __LZTimerCount(tm) LZ_timerCount() - -/**************************************************************************** -REMARKS: -Define the resolution of the long period timer as microseconds per timer tick. -****************************************************************************/ -#define ULZTIMER_RESOLUTION 54925 - -/**************************************************************************** -REMARKS: -Read the Long Period timer value from the BIOS timer tick. -****************************************************************************/ -static ulong __ULZReadTime(void) -{ - ulong ticks; - LZ_disable(); /* Turn of interrupts */ - ticks = PM_getLong(_ZTimerBIOSPtr+0x6C); - LZ_enable(); /* Turn on interrupts again */ - return ticks; -} - -/**************************************************************************** -REMARKS: -Compute the elapsed time from the BIOS timer tick. Note that we check to see -whether a midnight boundary has passed, and if so adjust the finish time to -account for this. We cannot detect if more that one midnight boundary has -passed, so if this happens we will be generating erronous results. -****************************************************************************/ -ulong __ULZElapsedTime(ulong start,ulong finish) -{ - if (finish < start) - finish += 1573040L; /* Number of ticks in 24 hours */ - return finish - start; -} |
