2014-01-08, 12:57 PM
Thank you. Now it's almost done.
Unfortunately the demo only shows 6 of the 7 enemies, so I have debugged the Z80 code and found a word write to $5c0b. This position is the DEFADD variable of the 48 ROM. So, is there any way of disable writing to internal variables?
Unfortunately the demo only shows 6 of the 7 enemies, so I have debugged the Z80 code and found a word write to $5c0b. This position is the DEFADD variable of the 48 ROM. So, is there any way of disable writing to internal variables?
Code:
#include <keys.bas>
#include "fase.bas"
DisableInt
DIM datos(31) as UBYTE = { _
$00, $42, $11, 0, _
$08, $60, $60, 2, _
$09, $a8, $48, 3, _
$0a, $22, $02, 1, _
$0b, $d0, $6e, 2, _
$0c, $b6, $34, 3, _
$0d, $32, $32, 1, _
$04, $52, $5e, 0 }
DIM i, x, y AS UBYTE
FOR i = 0 TO 31
SETSPRITE(i>>2, i&3, datos(i))
NEXT i
INIT
SETSCREEN(0)
WHILE 1
FRAME
FOR i = 1 TO 8
IF GETSPRITE(i, 3) & 1 THEN
IF GETSPRITE(i, 2) > 0 THEN
SETSPRITE(i, 2, GETSPRITE(i, 2)-1)
ELSE
SETSPRITE(i, 3, GETSPRITE(i, 3) bXOR 1)
END IF
ELSE
IF GETSPRITE(i, 2) < $90 THEN
SETSPRITE(i, 2, GETSPRITE(i, 2)+1)
ELSE
SETSPRITE(i, 3, GETSPRITE(i, 3) bXOR 1)
END IF
END IF
IF GETSPRITE(i, 3) & 2 THEN
IF GETSPRITE(i, 1) > $08 THEN
SETSPRITE(i, 1, GETSPRITE(i, 1)-1)
ELSE
SETSPRITE(i, 3, GETSPRITE(i, 3) bXOR 2)
END IF
ELSE
IF GETSPRITE(i, 1) < $e8 THEN
SETSPRITE(i, 1, GETSPRITE(i, 1)+1)
ELSE
SETSPRITE(i, 3, GETSPRITE(i, 3) bXOR 2)
END IF
END IF
NEXT i
IF multikeys(KEYP) THEN
IF GETSPRITE(0, 1) < $ee THEN
SETSPRITE(0, 1, GETSPRITE(0, 1)+1)
ELSEIF x < 11 THEN
SETSPRITE(0, 1, $02)
x= x + 1
SETSCREEN(y*12 + x)
END IF
END IF
IF multikeys(KEYO) THEN
IF GETSPRITE(0, 1) > $02 THEN
SETSPRITE(0, 1, GETSPRITE(0, 1)-1)
ELSEIF x > 0 THEN
SETSPRITE(0, 1, $ee)
x= x - 1
SETSCREEN(y*12 + x)
END IF
END IF
IF multikeys(KEYA) THEN
IF GETSPRITE(0, 2) < $a0 THEN
SETSPRITE(0, 2, GETSPRITE(0, 2)+1)
ELSEIF y < 1 THEN
SETSPRITE(0, 2, $01)
y= y + 1
SETSCREEN(y*12 + x)
END IF
END IF
IF multikeys(KEYQ) THEN
IF GETSPRITE(0, 2) > $01 THEN
SETSPRITE(0, 2, GETSPRITE(0, 2)-1)
ELSEIF y > 0 THEN
SETSPRITE(0, 2, $a0)
y= y - 1
SETSCREEN(y*12 + x)
END IF
END IF
END WHILE