/*****************************************************************************/ /* */ /* _antic.h */ /* */ /* Internal include file, do not use directly */ /* */ /* */ /* */ /* (C) 2000 Freddy Offenga */ /* */ /* */ /* This software is provided 'as-is', without any expressed or implied */ /* warranty. In no event will the authors be held liable for any damages */ /* arising from the use of this software. */ /* */ /* Permission is granted to anyone to use this software for any purpose, */ /* including commercial applications, and to alter it and redistribute it */ /* freely, subject to the following restrictions: */ /* */ /* 1. The origin of this software must not be misrepresented; you must not */ /* claim that you wrote the original software. If you use this software */ /* in a product, an acknowledgment in the product documentation would be */ /* appreciated but is not required. */ /* 2. Altered source versions must be plainly marked as such, and must not */ /* be misrepresented as being the original software. */ /* 3. This notice may not be removed or altered from any source */ /* distribution. */ /* */ /*****************************************************************************/ #ifndef __ANTIC_H #define __ANTIC_H /* Define a structure with the antic register offsets */ struct __antic { unsigned char dmactl; /* direct memory access control */ unsigned char chactl; /* character mode control */ unsigned char dlistl; /* display list pointer low-byte */ unsigned char dlisth; /* display list pointer high-byte */ unsigned char hscrol; /* horizontal scroll enable */ unsigned char vscrol; /* vertical scroll enable */ unsigned char unuse0; /* unused */ unsigned char pmbase; /* msb of p/m base address */ unsigned char unuse1; /* unused */ unsigned char chbase; /* character base address */ unsigned char wsync; /* wait for horizontal synchronization */ unsigned char vcount; /* vertical line counter */ unsigned char penh; /* light pen horizontal position */ unsigned char penv; /* light pen vertical position */ unsigned char nmien; /* non-maskable interrupt enable */ unsigned char nmires; /* nmi reset/status */ }; /* End of _antic.h */ #endif /* #ifndef __ANTIC_H */