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Add target atari7800

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This commit is contained in:
Karri Kaksonen
2022-03-01 06:44:26 +02:00
committed by mrdudz
parent 06ddd042f2
commit 89716ac831
8 changed files with 476 additions and 0 deletions
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63
include/_maria.h Normal file
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/*****************************************************************************/
/* */
/* _maria.h */
/* */
/* Atari 7800, Maria chip register hardware structures */
/* */
/* */
/* 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. */
/* */
/*****************************************************************************/
/*
* MARIA registers
*/
struct __maria {
unsigned char bkgrnd;
unsigned char p0c1;
unsigned char p0c2;
unsigned char p0c3;
unsigned char wsync;
unsigned char p1c1;
unsigned char p1c2;
unsigned char p1c3;
unsigned char mstat;
unsigned char p2c1;
unsigned char p2c2;
unsigned char p2c3;
unsigned char dpph;
unsigned char p3c1;
unsigned char p3c2;
unsigned char p3c3;
unsigned char dppl;
unsigned char p4c1;
unsigned char p4c2;
unsigned char p4c3;
unsigned char chbase;
unsigned char p5c1;
unsigned char p5c2;
unsigned char p5c3;
unsigned char offset;
unsigned char p6c1;
unsigned char p6c2;
unsigned char p6c3;
unsigned char ctrl;
unsigned char p7c1;
unsigned char p7c2;
unsigned char p7c3;
};