/*
SG C Tools 1.3

(C) 1993 Steve Goldsmith
All Rights Reserved

Compiled with HI-TECH C 3.09 (CP/M-80).
*/

#define cia1 0xDC00 /* complex interface adapter #1 */
#define cia2 0xDD00 /* complex interface adapter #2 */

#define ciaDataA     0 /* cia registers */
#define ciaDataB     1
#define ciaDataDirA  2
#define ciaDataDirB  3
#define ciaTimerALo  4
#define ciaTimerAHi  5
#define ciaTimerBLo  6
#define ciaTimerBHi  7
#define ciaTODTen    8
#define ciaTODSec    9
#define ciaTODMin   10
#define ciaTODHrs   11
#define ciaSerial   12
#define ciaIntCtrl  13
#define ciaControlA 14
#define ciaControlB 15

#define vicExtKey    0xD02F   /* not part of cia, but used for key scan */

#define ciaTimerFreq 1022730L /* cia timer freq */
#define ciaClearIcr  0x7F     /* clear all cia irq enable bits */
#define ciaCPUCont   0x11     /* load latch, start timer, count cpu cycles continuous */
#define ciaCPUOne    0x19     /* load latch, start timer, count cpu cycles one shot */
#define ciaCountA    0x51     /* load latch, start timer, count timer a */

#define ciaNone      0x1F     /* joy stick direction masks */
#define ciaFire      0x10
#define ciaUp        0x01
#define ciaDown      0x02
#define ciaLeft      0x04
#define ciaRight     0x08
#define ciaUpLeft    0x05
#define ciaUpRight   0x09
#define ciaDownLeft  0x06
#define ciaDownRight 0x0A

#define ciaPotsPort1 0x40     /* 4066 analog switch settings for cia 1 */
#define ciaPotsPort2 0x80

typedef uchar ciaTODRec[4];   /* types for various cia related functions */
typedef char  ciaTODStr[12];
typedef uchar ciaKeyRec[11];

extern void gettodcia (ushort C, uchar *TOD);
extern void settodcia (ushort C, uchar *TOD);
extern void todcharcia (uchar Bcd, char *TODStr);
extern void todstrcia (uchar *TOD, char *TODStr);

extern void setintctrlcia (ushort C, uchar Icr);

extern void settimeracia (ushort C, ushort Latch, uchar CtrlReg);
extern ushort gettimeracia (ushort C);
extern void settimerbcia (ushort C, ushort Latch, uchar CtrlReg);
extern ushort gettimerbcia (ushort C);
extern ushort timervalcia (ulong Hz);

extern void getjoyscia(void);
extern void getkeyscia(void);