1 files changed, 144 insertions, 0 deletions
diff --git a/demontsc/lib/TVout/spec/asm_macros.h b/demontsc/lib/TVout/spec/asm_macros.h
new file mode 100755
index 0000000..1f91c11
--- /dev/null
+++ b/demontsc/lib/TVout/spec/asm_macros.h
@@ -0,0 +1,144 @@
+/*
+ Copyright (c) 2010 Myles Metzer
+
+ Permission is hereby granted, free of charge, to any person
+ obtaining a copy of this software and associated documentation
+ files (the "Software"), to deal in the Software without
+ restriction, including without limitation the rights to use,
+ copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the
+ Software is furnished to do so, subject to the following
+ conditions:
+
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "hardware_setup.h"
+
+#ifndef ASM_MACROS_H
+#define ASM_MACROS_H
+
+// delay macros
+__asm__ __volatile__ (
+	// delay 1 clock cycle.
+	".macro delay1\n\t"
+		"nop\n"
+	".endm\n"
+	
+	// delay 2 clock cycles
+	".macro delay2\n\t"
+		"nop\n\t"
+		"nop\n"
+	".endm\n"
+	
+	// delay 3 clock cyles
+	".macro delay3\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n"
+	".endm\n"
+	
+	// delay 4 clock cylces
+	".macro delay4\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n"
+	".endm\n"
+	
+	// delay 5 clock cylces
+	".macro delay5\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n"
+	".endm\n"
+	
+	// delay 6 clock cylces
+	".macro delay6\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n"
+	".endm\n"
+	
+	// delay 7 clock cylces
+	".macro delay7\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n"
+	".endm\n"
+	
+	// delay 8 clock cylces
+	".macro delay8\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n"
+	".endm\n"
+	
+	// delay 9 clock cylces
+	".macro delay9\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n"
+	".endm\n"
+	
+	// delay 10 clock cylces
+	".macro delay10\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n"
+	".endm\n"
+); // end of delay macros
+
+// common output macros, specific output macros at top of file
+__asm__ __volatile__ (
+	
+	// save port 16 and clear the video bit
+	".macro svprt p\n\t"
+		"in		r16,\\p\n\t"
+		ANDI_HWS
+	".endm\n"
+	
+	// ouput 1 bit port safe
+	".macro o1bs p\n\t"
+		BLD_HWS
+		"out	\\p,r16\n"
+	".endm\n"
+); // end of output macros
+#endif
+\ No newline at end of file