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Digital Research
This commit is contained in:
Sepp J Morris
2020-11-06 18:50:37 +01:00
parent 621ed8ccaf
commit 31738079c4
8481 changed files with 1888323 additions and 0 deletions
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138
CPM OPERATING SYSTEMS/CPM 68K/1.0X SOURCES/v101/ddt/ddtinc.h Normal file
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/********************************************************/
/* */
/* Stuff to INCLUDE in DDT-68K */
/* */
/********************************************************/
#define MAXBP 10 /* max breakpoints allowed */
#define ILLEGAL 0x4AFC /* ILLEGAL instruction */
#define BDOSCALL 0x4E42 /* TRAP #2 instruction */
#define BIOSCALL 0x4E43 /* TRAP #3 instruction */
#define BUFLEN 85 /* command buffer length */
#define GETSEP getsep(&cx)
struct bytestr { char memb; };
struct wordstr { int memw; };
struct longstr { long meml; };
/****************************************************************/
/* */
/* Define the CPU Status Structure and Related Tables */
/* */
/****************************************************************/
struct cpustate {
long pc;
long usp;
long ssp;
int status;
long dreg[8];
long areg[8];
};
#define TRACE 0x8000
#define SUPER 0x2000
#define INTMSK 0x0700
#define EXTEND 0x0010
#define NEG 0x0008
#define ZERO 0x0004
#define OFLOW 0x0002
#define CARRY 0x0001
/****************************************************************/
/* */
/* Define FCB Structure */
/* */
/****************************************************************/
struct fcb {
char dr; /* drive code */
char fn[8]; /* file name */
char t[3]; /* file type */
char ex; /* extent */
char s1; /* used by sys */
char s2; /* used by sys */
char rc; /* rec count */
char d[16]; /* used by sys */
char cr; /* curr rec no */
char r[3]; /* rand rec no */
};
/****************************************************************/
/* */
/* Base Page Structure */
/* */
/****************************************************************/
struct basepage {
long lowtpa; /* low address of tpa */
long hightpa; /* high address of tpa */
long csstart; /* start of code seg */
long cslen; /* length of code seg */
long dsstart; /* start of data seg */
long dslen; /* length of data seg */
long bsstart; /* start of bss seg */
long bslen; /* length of bss seg */
long freelen; /* free mem after bss */
long reserved[5];
struct fcb fcb2;
struct fcb fcb1;
char comtail[80];
};
/************************************************************************/
/* */
/* Define a structure for holding information about the most */
/* recently loaded program or file */
/* */
/************************************************************************/
struct value {
int kind; /* 0 => none, 1 => pgm, 2 => file */
long textbase; /* if kind==2 then use textseg for file */
long textlen;
long database;
long datalen;
long bssbase;
long bsslen;
long bpa;
long initstk;
};
/************************************************************************/
/* */
/* Define the Load Program Parameter Block */
/* */
/************************************************************************/
struct lpb {
struct fcb *fcbaddr;
long tpabase;
long tpatop;
long *bpaddr;
long stkinit;
int flags;
};
/****************************************************************/
/* */
/* Some Forward Function Definitions */
/* */
/****************************************************************/
char *readcom();
char hexchar();
short int getform();
long int GETSSP();
/**/