ZX81 Program: WBIIDEMO.P


SYSTEM VARIABLES

PROG  : 16509
D-FILE: 17743
VARS  : 18536
E-LINE: 19240
STKBOT: 19252
STKEND: 19252


LEGEND

[A] means INVERSE A
{A} means GRAPHICS A
PRINT means treat as KEYWORD P


PROGRAM LISTING

  10 REM **WATER BUG DEMO**
  20 PRINT AT 4,3;"{5}    {8} [ ]  [ ][ ][ ]{8}{E}{7} [ ]{7}{5}            {2}{4}{8}{5}{E}{1}{8}{6}{5}  [ ] {8}{E}  [ ]{E}{1}             {8}{5}{8}{5} {5} {8}  [ ] {8}{W}{6} [ ]{2}{6}";AT 9,2;"[ ][ ][ ][ ]   {E}{R}{4} [ ] [ ] {E}{7}{7}              [ ]{W}{Y}[ ]   {W}{Q}{1} [ ] [ ] [ ]{E}{6}              [ ]{6}{E}{Q}   {E}{7}{R} {R}[ ]{E} {R}{6}{Q}  [ ][ ][ ][ ][ ]       [ ]{W}{W}[ ]   {W}{6}{T}           [ ] [ ]";TAB 23;"[ ] [ ]";TAB 23;"[ ] [ ]";
  30 PRINT TAB 22;"[ ][ ][ ][ ][ ]"
  40 LET A$=" {T}{7}{R}{7}{7}{4}  {E}{7}{7}{R}{7}{W} [ ] {E}{W}{2}{4}{T}{2}[ ]{1}{T}{7} {6}{7}{7} {2}{Y}{8}{7}  {7}{7}{8} {6}{8}[ ]{1}{8}{6}{5}[ ]{1} {W}{5} [ ] {5}   {7}{Y} {Y}{T}{8}{6}    {2}{6}{T}{8}{2}{6}{T} {Y}[ ]  {E}{5}{E}[ ]{4}{Y}{6}{8}  {8}     {Y}{6}{6}{6}     {6}{6}{6}{6}{6}{6}{6}{1}{Y}{6}{6}{6}{6}{6} {7}{7}{1}         {E}{W}{8} {5}{E}                          {E}{Y} [ ]                            {W}{Q} [ ] {2}                                                     {T}{7} {R}{E}{8}{7}{8} {5}{E}{1}{W}{8}  {E}{W}{8}{7}{2}[ ]{1}{E}{W}       {7}{R} {8}{5}{8}{1}{8} {5}{E} [ ][ ]  [ ]{1}{8}{1} [ ] {5}{8}       {W}{Q} {8}{5}{8}{6} [ ] {W}{4}{5}{R}  {5}{Y}{8}{6}{E}[ ]{4}{W}{E}   "
  50 LET A$=A$+"                                    {T}{E}{E}{Y}{2}{4} {Q} {Q}{R} {T}{Y} {E}{5}               {5}{8}{5}  {5} {8} {2}{R} {T}{Y}{E}{W}{W}               {Y}{2}{W}{T}{E}{1} {Q}{4} {8} {Y}{T}  {5}           "
  55 LET A$=A$+"                                "
  60 DIM B$(128)
  70 LET B$=A$( TO 128)
  80 PRINT AT 17,0;B$
  90 FOR A=1 TO 100
 100 NEXT A
 110 FOR G=1 TO 11 STEP 4
 111 FOR F=1 TO 4
 120 LET A$=A$(33 TO )+A$( TO 32)
 130 LET B$=A$( TO 128)
 140 PRINT AT 17,0;B$
 150 FOR A=1 TO 10
 160 NEXT A
 165 NEXT F
 168 FOR A=1 TO 50
 169 NEXT A
 170 NEXT G
 180 FOR A=1 TO 100
 190 NEXT A
 200 RUN