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https://github.com/rigreco/Runge-Kutta-Simulation.git
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62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
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/* ------------------------------------------------------------------------
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System : Manx Aztec C65 Version 3.2b
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MS-DOS cross-development environment
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Platform : Apple IIe 128K PRODOS 8
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Program : dxlut.c
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Description : G2 Library Routine
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LUT's (look-up tables) for discrete DHGR pixel color values
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which correspond to the 7 pixels in the 4 byte block.
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Using these to write DHGR pixels eliminates the need to
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extract these values from the dhrbytes array at runtime
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so results in slightly quicker code.
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Quite abstract really... and in Lo-Res color order
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for consistency with the other related G2 library routines.
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Written by : Bill Buckels
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Date Written : January 2013
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Revision : 1.0 First Release
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Licence : You may use this routine for whatever you wish as long
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as you agree that Bill Buckels has no warranty or
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liability obligations whatsoever from said use.
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------------------------------------------------------------------------ */
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/* auxiliary memory */
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unsigned char dhapix[16][7] = {
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x08,0x00,0x00,0x02,0x20,0x00,0x00,
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0x01,0x10,0x00,0x00,0x04,0x40,0x00,
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0x09,0x10,0x00,0x02,0x24,0x40,0x00,
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0x02,0x20,0x00,0x00,0x08,0x00,0x00,
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0x0A,0x20,0x00,0x02,0x28,0x00,0x00,
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0x03,0x30,0x00,0x00,0x0C,0x40,0x00,
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0x0B,0x30,0x00,0x02,0x2C,0x40,0x00,
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0x04,0x40,0x00,0x01,0x10,0x00,0x00,
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0x0C,0x40,0x00,0x03,0x30,0x00,0x00,
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0x05,0x50,0x00,0x01,0x14,0x40,0x00,
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0x0D,0x50,0x00,0x03,0x34,0x40,0x00,
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0x06,0x60,0x00,0x01,0x18,0x00,0x00,
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0x0E,0x60,0x00,0x03,0x38,0x00,0x00,
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0x07,0x70,0x00,0x01,0x1C,0x40,0x00,
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0x0F,0x70,0x00,0x03,0x3C,0x40,0x00};
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/* main memory */
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unsigned char dhmpix[16][7] = {
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x01,0x10,0x00,0x00,0x04,0x40,
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0x00,0x00,0x02,0x20,0x00,0x00,0x08,
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0x00,0x01,0x12,0x20,0x00,0x04,0x48,
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0x00,0x00,0x04,0x40,0x00,0x01,0x10,
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0x00,0x01,0x14,0x40,0x00,0x05,0x50,
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0x00,0x00,0x06,0x60,0x00,0x01,0x18,
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0x00,0x01,0x16,0x60,0x00,0x05,0x58,
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0x00,0x00,0x08,0x00,0x00,0x02,0x20,
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0x00,0x01,0x18,0x00,0x00,0x06,0x60,
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0x00,0x00,0x0A,0x20,0x00,0x02,0x28,
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0x00,0x01,0x1A,0x20,0x00,0x06,0x68,
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0x00,0x00,0x0C,0x40,0x00,0x03,0x30,
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0x00,0x01,0x1C,0x40,0x00,0x07,0x70,
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0x00,0x00,0x0E,0x60,0x00,0x03,0x38,
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0x00,0x01,0x1E,0x60,0x00,0x07,0x78};
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