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    Length: 2664 (0xa68)
    Types: TextFile
    Names: »flub.sim«

└─⟦87ddcff64⟧ Bits:30001253 CPHDIST85 Tape, 1985 Autumn Conference Copenhagen
    └─⟦this⟧ »cph85dist/stage2/flub.sim« 

TextFile

."$"0
FLG " = 0.
F"10=0;$
$
FLG " = 1.
F"10=1;$
$
FLG " = 2.
F"10=2;$
$
FLG " = 3.
F"10=3;$
$
FLG " = ".
F"10=F"20;$
$
""" " = 0 " 0.
"10"40=0;$
$
""" " = " " 0.
"10"40="10"50;$
$
""" " = 0 " 1.
"10"40= "501;$
$
""" " = " " ".
"10"40="10"50"60"10"70;$
$
PTR " = " " 7.
P"10 = P"20 + 1;$
$
""" " = """ ".
"10"40="50"80;$
$
GET " = ".
{$
register struct memy *p;$
 p = &memory[P"20];$
F"10 = (struct memy *)p->flag;$
V"10 = (struct memy *)p->value;$
P"10 = (struct memy *)p->pointer;$
};$
$
STO " = ".
{$
	register struct memy *p;$
 p = &memory[P"10];
(struct memy *)p->flag = F"20;$
(struct memy *)p->value = V"20;$
(struct memy *)p->pointer = P"20;$
}$
$
TO "" IF """ " = ".
if("30"60=="30"70)goto L"10"20;$
$
TO "" IF """ " NE ".
if("30"60!="30"70)goto L"10"20;$
$
TO "" IF """ " GE ".
if("30"60>="30"70)goto L"10"20;$
$
TO "" BY ".
P"30="00;goto L"10"20;case "00:;$
$
RETURN BY ".
retby=P"10;goto Looptop;$
$
TO "".
goto L"10"20;$
$
STOP.
exit();$
$
VAL " = CHAR.
V"10=lb[lbr++];$
$
CHAR = VAL ".
F"10=iwrch(V"10,lb,&lbw,&lbl);$
$
READ NEXT ".
F"10=ioop(READ,V"10,lb,&ONE,&lbl);lb[lbl]= -1;lbr=1;$
$
WRITE NEXT ".
F"10=ioop(WRITE,V"10,lb,&ONE,&lbl);lbw=1;$
$
REWIND ".
F"10=ioop(CONTROL,V"10,lb,&ONE,&lbl);$
$
LOC "".
L"10"20:$
$
MESSAGE """" TO ".
mb[11]="11;mb[12]="21;mb[13]="31;mb[14]="41;$
F"50=ioop(WRITE,V"50,mb,&ONE,&TWO1);$
$
END PROGRAM.
 }}$
$
MESSAGE """"""".
i=1;$
while(i<10) mb[i++]="11;$
mb[i]="21;i += 5;mb[i++]="21;mb[i++]="31;mb[i++]="41;mb[i++]="51;$
mb[i++]="61;mb[i]="71;$
$$

/* this is the prefix c code for stage2 */

#define READ -1
#define CONTROL 0
#define WRITE 1
#define MEMMAX  12000		/* number of memory cells to use */

int i,lbl,lbr,lbw,retby,ONE,TWO1,lb[124],mb[22],
F0,
V0,
P0,
F1,
V1,
P1,
F2,
V2,
P2,
F3,
V3,
P3,
F4,
V4,
P4,
F5,
V5,
P5,
F6,
V6,
P6,
F7,
V7,
P7,
F8,
V8,
P8,
F9,
V9,
P9,
FA,
VA,
PA,
FB,
VB,
PB,
FC,
VC,
PC,
FD,
VD,
PD,
FE,
VE,
PE,
FF,
VF,
PF,
FG,
VG,
PG,
FH,
VH,
PH,
FI,
VI,
PI,
FJ,
VJ,
PJ,
FK,
VK,
PK,
FL,
VL,
PL,
FM,
VM,
PM,
FN,
VN,
PN,
FO,
VO,
PO,
FP,
VP,
PP,
FQ,
VQ,
PQ,
FR,
VR,
PR,
FS,
VS,
PS,
FT,
VT,
PT,
FU,
VU,
PU,
FV,
VV,
PV,
FW,
VW,
PW,
FX,
VX,
PX,
FY,
VY,
PY,
FZ,
VZ,
PZ;

struct memy {
		short flag;
		short value;
		int pointer;
	    }
		memory[MEMMAX];		/* the pseudo machine memory */

main(argc,argv)
int argc;
char **argv;
{
 F0=0;		/* set up the initial values, per the book */
 F1=1;
 F2=2;
 F3=3;
 V0=0;
 V1=1;
 V2=2;
 V3=3;
 V4=4;
 V5=5;
 V6=6;
 V7=7;
 V8=8;
 V9=9;
 P0=0;
 P1=1;
 P2=2;
 P3=3;
 P5=10;
 P7= 1;		/* Memory increment */
 P8 = 0;	/* Memory start */
 P9 = MEMMAX;	/* Memory end */

 ONE=1; TWO1=21;

lbr=lbw=lbl=1;retby= -1;
Looptop: switch (retby) {
case -1:

MESSAGE * ERROR.