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- #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 <exec/types.h>
- #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 */
-