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rml480z.c
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1985-07-11
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2KB
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77 lines
/*****************************************************************************/
/* File K480Z.C - RML 480Z Kermit - Machine-dependent data & routines
Chris Kennington 5th July 1985. */
#include "stdio.h"
#include "b:kext.h"
/* Data which is either machine-dependent or contains text which would
not be appropriate for the Nimbus version.
All escape-sequences and general control strings are built into and
output by assembler-coded routines found in CS4COM.ZSM. */
char head1[] = " RML 480Z Kermit File Transfer Program,";
char backto[] = " OK - back to CP/M; ";
char eprompt[] = "\r\04KmF4> ";
char prompt[] = "\r\04Km480Z"; /* \04 to unlock screen */
curset(lin,col) /* set cursor position */
char lin, col;
{
static char msg[] = {0x16, 32, 32, 0};
msg[1] = lin+32;
msg[2] = col+32;
txtout(msg);
return;
} /* End of curset() */
fpanel() /* call front panel */
{
jump(0x0013); /* magic address (ROS) */
outc(NL);
return;
} /* End of fpanel() */
unsigned getram(bytes) /* get reused memory */
/* Allocates the memory used by driver code etc. for overwriting */
int bytes;
{
extern unsigned drivers();
static unsigned base, top;
static char flag = 0;
unsigned *six;
int ret;
char c;
if (flag == 0) {
base = &drivers;
six = 0x0006; /* CP/M => bottom of BDOS */
top = *six - 256;
++flag;
}
ret = base;
base += bytes;
if (base < top)
return(ret); /* OK */
printmsg("Not enough store.");
kermkill(1);
} /* End of getram() */
/******************* END of K480Z.C ****************************/