144 lines
2.8 KiB
C
144 lines
2.8 KiB
C
/*
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Copyright (c) 2010 Myles Metzer
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "hardware_setup.h"
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#ifndef ASM_MACROS_H
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#define ASM_MACROS_H
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// delay macros
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__asm__ __volatile__ (
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// delay 1 clock cycle.
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".macro delay1\n\t"
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"nop\n"
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".endm\n"
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// delay 2 clock cycles
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".macro delay2\n\t"
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"nop\n\t"
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"nop\n"
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".endm\n"
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// delay 3 clock cyles
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".macro delay3\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n"
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".endm\n"
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// delay 4 clock cylces
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".macro delay4\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n"
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".endm\n"
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// delay 5 clock cylces
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".macro delay5\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n"
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".endm\n"
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// delay 6 clock cylces
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".macro delay6\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n"
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".endm\n"
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// delay 7 clock cylces
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".macro delay7\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n"
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".endm\n"
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// delay 8 clock cylces
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".macro delay8\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n"
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".endm\n"
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// delay 9 clock cylces
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".macro delay9\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n"
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".endm\n"
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// delay 10 clock cylces
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".macro delay10\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n\t"
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"nop\n"
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".endm\n"
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); // end of delay macros
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// common output macros, specific output macros at top of file
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__asm__ __volatile__ (
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// save port 16 and clear the video bit
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".macro svprt p\n\t"
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"in r16,\\p\n\t"
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ANDI_HWS
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".endm\n"
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// output 1 bit port safe
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".macro o1bs p\n\t"
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BLD_HWS
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"out \\p,r16\n"
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".endm\n"
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); // end of output macros
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#endif |