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ED8.C
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1987-01-03
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5KB
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280 lines
/* ED8.C */
#include "ed0.c"
#include "ed1.ccc"
char keybuf[MAXKEY]; /* macro buffer for keystroke record and replay */
int replay_count; /* how many times to replay */
int replay_number; /* current replay number */
int replay_flag; /* are we replaying from buffer? */
int record_flag; /* are we recording to buffer? */
int key_position; /* current position in buffer */
sysabort() /* abort replay of buffer */
{
record_flag=NO;
replay_flag=NO;
key_position=0;
replay_number=0;
}
syscount(count) int count; /* set number of replays */
{
replay_count=count;
}
syscstat()
{
int c;
c=scr_csts();
if (c==0){ /* correction of original version */
return(-1);
}
else {
return(c);
}
}
syscin() /* extensively altered to permit recording and replay of buffer */
{
int c;
if (replay_flag==YES) { /* proceed if we are replaying */
if ((c=syscstat())>0) {
pmtmode(" "); /* abort replay if key pressed */
record_flag=NO;
replay_flag=NO;
key_position=0;
replay_number=0;
return(c);
}
else {
c=keybuf[key_position++]; /* otherwise replay */
if (c==EOS) {
key_position=0;
if((++replay_number)==replay_count) {
pmtmode(" "); /* finished */
replay_flag=NO;
replay_number=0;
}
}
return(c);
}
}
else {
while ((c=scr_ci())==0) {
;
}
if (c==RECORD) {
if (record_flag==NO) { /* begin record */
pmtmode("record");
record_flag=YES;
replay_flag=NO;
key_position=0;
keybuf[key_position]=EOS;
}
else {
pmtmode("end record"); /* end record */
record_flag=NO;
}
return(c);
}
else if (c==REPLAY) { /* start replay */
pmtmode("replay");
replay_flag=YES;
record_flag=NO;
replay_number=0;
key_position=0;
return(c);
}
else if (record_flag==YES) {
if (key_position<MAXKEY1) {
keybuf[key_position++]=c;
keybuf[key_position]=EOS;
return(c);
}
else {
record_flag=NO;
key_position=0;
keybuf[key_position]=EOS;
error("record overflow");
return(c);
}
}
else {
return(c);
}
}
}
syscout(c) char c;
{
scr_co(c);
return(c);
}
syslout(c) char c;
{
_os(5,c);
return(c);
}
sysend()
{
return(_showsp()-200);
} /* added */
syscreate(name) char *name;
{
int file;
if ((file=creat(name))==0) {
return(ERR);
}
else {
return(file);
}
}
sysopen(name,mode) char *name, *mode;
{
int file;
if ((file=fopen(name,mode))==0) {
return(ERR);
}
else {
return(file);
}
}
sysclose(file) int file;
{
close(file);
return(OK);
}
sysrdch(file) int file;
{
int c;
if ((c=getc(file))==-1) {
return(EOF);
}
else if (c==LF) {
if ((c=getc(file))==-1) {
return(EOF);
}
}
return(c);
}
syspshch(c,file) char c; int file;
{
if (putc(c,file)==-1) {
error("disk write failed");
return(ERR);
}
if (c==CR) {
if (putc(LF,file)==-1) {
error("disk write failed");
return(ERR);
}
}
return(c);
}
syspopch(file) int file;
{
error("syspopch() not implemented");
return(ERR);
}
syschkfn(args) char *args;
{
if (args[0] == EOS) { /* add check for zero-length file name */
message("no file name");
return(ERR);
}
else {
return(OK);
}
}
syscopfn(args,buffer) char *args, *buffer;
{
int n;
n=0;
while (n<SYSFNMAX-1) {
if (args[n]==EOS) {
break;
}
else {
buffer[n]=args[n];
n++;
}
}
buffer[n]=EOS;
}
sysdnmov(n,d,s) int n,*d,*s;
{
if (n==0) {
return;
}
_move(n,s,d);
} /* added */
sysupmov (n,d,s) int n,*d,*s;
{
if (n==0) {
return;
}
_move(n,s,d);
} /* added */
amatch (a,b,c) int a,b,c;
/* matches pattern at b to line at a
all all question marks match
if flag c is NO match is only at beginning of line
*/
{
#asm
mov bx,[bp+06]
mov dx,[bp+04]
mov al,[bx]
cmp al,0
je no_match
mov cx,0
mov si,[bp+04]
cycles: mov ah,[si]
cmp ah,0
je no_match
cmp al,ah
jne not_so_far
reprieve: inc bx
inc si
mov al,[bx]
cmp al,0
je success
jmp cycles
not_so_far: cmp al,'?'
je reprieve
mov ax,[bp+08]
cmp ax,0
je no_match
inc dx
inc cx
mov si,dx
mov bx,[bp+06]
mov al,[bx]
jmp cycles
success: mov ax,cx
jmp returns
no_match: mov ax,0ffffh
returns: nop
#
}
sysdelay()
{
}
sysinit()
{
scr_setup(); /* start things up & initialize */
scr_setmode(3);
scr_clr();
scr_chr_attr(SETNORMAL);
scr_chr_attr(SETFAINT);
scr_chr_attr(NOBLINK);
replay_flag=NO;
record_flag=NO;
replay_count=1;
keybuf[0]=EOS;
key_position=0;
}
sysfinish()
{
scr_chr_attr(SETNORMAL); /* finish up loose ends */
scr_chr_attr(SETFAINT);
scr_chr_attr(NOBLINK);
scr_clr();
scr_rowcol(0,0);
}