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SIM_CARD: New interface to support stacking cards and save/restore.

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Richard Cornwell 2018-08-05 22:43:07 -04:00
parent a8d4fe8846
commit 8b1d058a63
2 changed files with 521 additions and 257 deletions
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731
sim_card.c
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sim_card.h
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@ -31,7 +31,7 @@
Binary Card format: Binary Card format:
Each record 160 characters. Each record 160 characters.
First character 21012345 First character 21012345
111 111
Second characters 6789---- Second characters 6789----
Top 4 bits of second character are 0. Top 4 bits of second character are 0.
It is unlikely that ascii text or BCD format It is unlikely that ascii text or BCD format
@ -66,6 +66,8 @@
extern "C" { extern "C" {
#endif #endif
#define SIM_CARD_API 2 /* API Version */
#define DEBUG_CARD 0x0000010 /* Show details */ #define DEBUG_CARD 0x0000010 /* Show details */
/* Flags for punch and reader. */ /* Flags for punch and reader. */
@ -82,22 +84,31 @@ extern "C" {
#define MODE_LOWER (8 << UNIT_V_CARD_MODE) #define MODE_LOWER (8 << UNIT_V_CARD_MODE)
#define MODE_026 (0x10 << UNIT_V_CARD_MODE) #define MODE_026 (0x10 << UNIT_V_CARD_MODE)
#define MODE_029 (0x20 << UNIT_V_CARD_MODE) #define MODE_029 (0x20 << UNIT_V_CARD_MODE)
#define MODE_CHAR (0x30 << UNIT_V_CARD_MODE) #define MODE_CHAR (0x70 << UNIT_V_CARD_MODE)
struct _card_data /* Card Reader Return Status code */
{ typedef int t_cdstat;
int ptr; /* Pointer in buffer */ #define CDSE_OK 0 /* Good */
int len; /* Length of buffer */ #define CDSE_EOF 1 /* End of File */
char cbuff[1024]; /* Read in buffer for cards */ #define CDSE_EMPTY 2 /* Input Hopper Empty */
uint16 image[80]; /* Image */ #define CDSE_ERROR 3 /* Error Card Read */
uint8 hol_to_ascii[4096]; /* Back conversion table */
};
/* Generic routines. */ /* Generic routines. */
t_stat sim_read_card(UNIT * uptr);
/* Read next card into image row 12,11,10,1-9 */
/* Return SCPE_EOF if end file detected. */
t_cdstat sim_read_card(UNIT * uptr, uint16 image[80]);
/* Punch card from image row 12,11,10,1-9 */
t_cdstat sim_punch_card(UNIT * uptr, uint16 image[80]);
/* Check if next card to be read is EOF */
int sim_card_eof(UNIT * uptr); int sim_card_eof(UNIT * uptr);
t_stat sim_punch_card(UNIT * uptr, UNIT *stkptr); /* Return number of cards yet to read */
t_addr sim_hopper_size(UNIT * uptr);
/* Return number of cards punched */
t_addr sim_punch_count(UNIT * uptr);
t_addr sim_card_input_hopper_count(UNIT *uptr);
t_addr sim_card_output_hopper_count(UNIT *uptr);
t_stat sim_card_attach(UNIT * uptr, CONST char *file); t_stat sim_card_attach(UNIT * uptr, CONST char *file);
t_stat sim_card_detach(UNIT *uptr); t_stat sim_card_detach(UNIT *uptr);
@ -108,16 +119,16 @@ uint8 sim_hol_to_bcd(uint16 hol);
uint16 sim_hol_to_ebcdic(uint16 hol); uint16 sim_hol_to_ebcdic(uint16 hol);
/* Format control routines. */ /* Format control routines. */
t_stat sim_card_set_fmt (UNIT *uptr, int32 val, CONST char *cptr, void *desc); t_stat sim_card_set_fmt (UNIT *uptr, int32 val, CONST char *cptr, void *desc);
t_stat sim_card_show_fmt (FILE *st, UNIT *uptr, int32 val, CONST void *desc); t_stat sim_card_show_fmt (FILE *st, UNIT *uptr, int32 val, CONST void *desc);
/* Help information */ /* Help information */
t_stat sim_card_attach_help(FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr); t_stat sim_card_attach_help(FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr);
/* Translation tables */ /* Translation tables */
extern const char sim_six_to_ascii[64]; extern CONST char sim_six_to_ascii[64]; /* Map BCD to ASCII */
extern const char sim_ascii_to_six[128]; extern CONST char sim_ascii_to_six[128]; /* Map 7 bit ASCII to BCD */
extern const uint8 sim_parity_table[64]; extern CONST uint8 sim_parity_table[64]; /* 64 entry odd parity table */
#ifdef __cplusplus #ifdef __cplusplus
} }