#ifndef HARDWARE_CIA_H #define HARDWARE_CIA_H 1 /* ** cia.h for ACE Basic ** ** Note: Translated to ACE by ConvertC2ACE ** @ MapMeadow Software, Nils Sjoholm ** ** ** Date: 09/03/95 ** ** */ /* ** This are the StructPointer defines for cia.h */ #ifndef CIAPtr #define CIAPtr ADDRESS #endif /* ** End of StructPointer defines for cia.h */ #ifndef EXEC_TYPES_H #include #endif /* EXEC_TYPES_H */ /* * ciaa is on an ODD address (e.g. the low byte) -- $bfe001 * ciab is on an EVEN address (e.g. the high byte) -- $bfd000 * * do this to get the definitions: * extern STRUCT CIA ciaa extern ciab */ STRUCT CIA BYTE ciapra STRING pad0 SIZE &Hff BYTE ciaprb STRING pad1 SIZE &Hff BYTE ciaddra STRING pad2 SIZE &Hff BYTE ciaddrb STRING pad3 SIZE &Hff BYTE ciatalo STRING pad4 SIZE &Hff BYTE ciatahi STRING pad5 SIZE &Hff BYTE ciatblo STRING pad6 SIZE &Hff BYTE ciatbhi STRING pad7 SIZE &Hff BYTE ciatodlow STRING pad8 SIZE &Hff BYTE ciatodmid STRING pad9 SIZE &Hff BYTE ciatodhi STRING pad10 SIZE &Hff BYTE unusedreg STRING pad11 SIZE &Hff BYTE ciasdr STRING pad12 SIZE &Hff BYTE ciaicr STRING pad13 SIZE &Hff BYTE ciacra STRING pad14 SIZE &Hff BYTE ciacrb END STRUCT /* interrupt control register bit numbers */ #define CIAICRB_TA 0 #define CIAICRB_TB 1 #define CIAICRB_ALRM 2 #define CIAICRB_SP 3 #define CIAICRB_FLG 4 #define CIAICRB_IR 7 #define CIAICRB_SETCLR 7 /* control register A bit numbers */ #define CIACRAB_START 0 #define CIACRAB_PBON 1 #define CIACRAB_OUTMODE 2 #define CIACRAB_RUNMODE 3 #define CIACRAB_LOAD 4 #define CIACRAB_INMODE 5 #define CIACRAB_SPMODE 6 #define CIACRAB_TODIN 7 /* control register B bit numbers */ #define CIACRBB_START 0 #define CIACRBB_PBON 1 #define CIACRBB_OUTMODE 2 #define CIACRBB_RUNMODE 3 #define CIACRBB_LOAD 4 #define CIACRBB_INMODE0 5 #define CIACRBB_INMODE1 6 #define CIACRBB_ALARM 7 /* interrupt control register masks */ #define CIAICRF_TA (1&) #define CIAICRF_TB (2&) #define CIAICRF_ALRM (4&) #define CIAICRF_SP (8&) #define CIAICRF_FLG (16&) #define CIAICRF_IR (128&) #define CIAICRF_SETCLR (128&) /* control register A register masks */ #define CIACRAF_START (1&) #define CIACRAF_PBON (2&) #define CIACRAF_OUTMODE (4&) #define CIACRAF_RUNMODE (8&) #define CIACRAF_LOAD (16&) #define CIACRAF_INMODE (32&) #define CIACRAF_SPMODE (64&) #define CIACRAF_TODIN (128&) /* control register B register masks */ #define CIACRBF_START (1&) #define CIACRBF_PBON (2&) #define CIACRBF_OUTMODE (4&) #define CIACRBF_RUNMODE (8&) #define CIACRBF_LOAD (16&) #define CIACRBF_INMODE0 (32&) #define CIACRBF_INMODE1 (64&) #define CIACRBF_ALARM (128&) /* control register B INMODE masks */ #define CIACRBF_IN_PHI2 0 #define CIACRBF_IN_CNT (CIACRBF_INMODE0) #define CIACRBF_IN_TA (CIACRBF_INMODE1) #define CIACRBF_IN_CNT_TA (CIACRBF_INMODE0 OR CIACRBF_INMODE1) /* * Port definitions -- what each bit in a cia peripheral register is tied to */ /* ciaa port A (&Hbfe001) */ #define CIAB_GAMEPORT1 (7) /* gameport 1, pin 6 (fire button*) */ #define CIAB_GAMEPORT0 (6) /* gameport 0, pin 6 (fire button*) */ #define CIAB_DSKRDY (5) /* disk ready* */ #define CIAB_DSKTRACK0 (4) /* disk on track 00* */ #define CIAB_DSKPROT (3) /* disk write protect* */ #define CIAB_DSKCHANGE (2) /* disk change* */ #define CIAB_LED (1) /* led light control (0==>bright) */ #define CIAB_OVERLAY (0) /* memory overlay bit */ /* ciaa port B (&Hbfe101) -- parallel port */ /* ciab port A (&Hbfd000) -- serial and printer control */ #define CIAB_COMDTR (7) /* serial Data Terminal Ready* */ #define CIAB_COMRTS (6) /* serial Request to Send* */ #define CIAB_COMCD (5) /* serial Carrier Detect* */ #define CIAB_COMCTS (4) /* serial Clear to Send* */ #define CIAB_COMDSR (3) /* serial Data Set Ready* */ #define CIAB_PRTRSEL (2) /* printer SELECT */ #define CIAB_PRTRPOUT (1) /* printer paper out */ #define CIAB_PRTRBUSY (0) /* printer busy */ /* ciab port B (&Hbfd100) -- disk control */ #define CIAB_DSKMOTOR (7) /* disk motorr* */ #define CIAB_DSKSEL3 (6) /* disk select unit 3* */ #define CIAB_DSKSEL2 (5) /* disk select unit 2* */ #define CIAB_DSKSEL1 (4) /* disk select unit 1* */ #define CIAB_DSKSEL0 (3) /* disk select unit 0* */ #define CIAB_DSKSIDE (2) /* disk side select* */ #define CIAB_DSKDIREC (1) /* disk direction of seek* */ #define CIAB_DSKSTEP (0) /* disk step heads* */ /* ciaa port A (&Hbfe001) */ #define CIAF_GAMEPORT1 (128&) #define CIAF_GAMEPORT0 (64&) #define CIAF_DSKRDY (32&) #define CIAF_DSKTRACK0 (16&) #define CIAF_DSKPROT (8&) #define CIAF_DSKCHANGE (4&) #define CIAF_LED (2&) #define CIAF_OVERLAY (1&) /* ciaa port B (&Hbfe101) -- parallel port */ /* ciab port A (&Hbfd000) -- serial and printer control */ #define CIAF_COMDTR (128&) #define CIAF_COMRTS (64&) #define CIAF_COMCD (32&) #define CIAF_COMCTS (16&) #define CIAF_COMDSR (8&) #define CIAF_PRTRSEL (4&) #define CIAF_PRTRPOUT (2&) #define CIAF_PRTRBUSY (1&) /* ciab port B (&Hbfd100) -- disk control */ #define CIAF_DSKMOTOR (128&) #define CIAF_DSKSEL3 (64&) #define CIAF_DSKSEL2 (32&) #define CIAF_DSKSEL1 (16&) #define CIAF_DSKSEL0 (8&) #define CIAF_DSKSIDE (4&) #define CIAF_DSKDIREC (2&) #define CIAF_DSKSTEP (1) #endif /* HARDWARE_CIA_H */