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cc65/include/_mikey.h
karri 2266532724 Fix eol
git-svn-id: svn://svn.cc65.org/cc65/trunk@5855 b7a2c559-68d2-44c3-8de9-860c34a00d81
2012-10-16 08:10:50 +00:00

107 lines
5.2 KiB
C

/*****************************************************************************/
/* */
/* _mikey.h */
/* */
/* Atari Lynx, Mikey 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. */
/* */
/*****************************************************************************/
#ifndef __MIKEY_H
#define __MIKEY_H
/* timer structure */
typedef struct _mikey_timer {
unsigned char reload;
unsigned char control;
unsigned char count;
unsigned char control2;
} _mikey_timer;
typedef struct _mikey_all_timers {
struct _mikey_timer timer[8];
} _mikey_all_timers;
/* audio channel structure */
typedef struct _mikey_audio {
unsigned char volume;
unsigned char feedback;
unsigned char dac;
unsigned char shiftlo;
unsigned char reload;
unsigned char control;
unsigned char count;
unsigned char other;
} _mikey_audio;
/* Define a structure with the mikey register offsets */
struct __mikey {
struct _mikey_timer timer0; // 0xFD00
struct _mikey_timer timer1; // 0xFD04
struct _mikey_timer timer2; // 0xFD08
struct _mikey_timer timer3; // 0xFD0C
struct _mikey_timer timer4; // 0xFD10
struct _mikey_timer timer5; // 0xFD14
struct _mikey_timer timer6; // 0xFD18
struct _mikey_timer timer7; // 0xFD1C
struct _mikey_audio channel_a; // 0xFD20
struct _mikey_audio channel_b; // 0xFD28
struct _mikey_audio channel_c; // 0xFD30
struct _mikey_audio channel_d; // 0xFD38
unsigned char attena; // 0xFD40 ?? not yet allocated?
unsigned char attenb; // 0xFD41 |
unsigned char attenc; // 0xFD42 |
unsigned char attend; // 0xFD43 |
unsigned char panning; // 0xFD44 |
unsigned char unused0[11]; // 0xFD45 - 0xFD4F not used
unsigned char mstereo; // 0xFD50 stereo control bits
unsigned char unused1[47]; // 0xFD51 - 0xFD7F not used
unsigned char intrst; // 0xFD80 interrupt poll 0
unsigned char intset; // 0xFD81 interrupt poll 1
unsigned char unused2[2]; // 0xFD82 - 0xFD83 not used
unsigned char magrdy0; // 0xFD84 mag tape channel0 ready bit
unsigned char magrdy1; // 0xFD85 mag tape channel1 ready bit
unsigned char audin; // 0xFD86 audio in
unsigned char sysctl1; // 0xFD87 control bits
unsigned char mikeyrev; // 0xFD88 mikey hardware rev
unsigned char mikeysrev; // 0xFD89 mikey software rev
unsigned char iodir; // 0xFD8A parallel i/o data dir
unsigned char iodat; // 0xFD8B parallel data
unsigned char serctl; // 0xFD8C serial control register
unsigned char serdat; // 0xFD8D serial data
unsigned char unused3[2]; // 0xFD8E - 0xFD8F not used
unsigned char sdoneack; // 0xFD90 suzy done acknowledge
unsigned char cpusleep; // 0xFD91 cpu bus request disable
unsigned char dispctl; // 0xFD92 video bus request enable, viddma
unsigned char pkbkup; // 0xFD93 magic 'P' count
unsigned char *scrbase; // 0xFD94 start address of video display
unsigned char unused4[6]; // 0xFD96 - 0xFD9B not used
unsigned char mtest0; // 0xFD9C
unsigned char mtest1; // 0xFD9D
unsigned char mtest2; // 0xFD9E
unsigned char unused5; // 0xFD9F not used
unsigned char palette[32]; // 0xFDA0 - 0xFDBF palette 32 bytes
// 0xFDC0 - 0xFDFF not used
};
#endif