Player moves down and right, but not up and down

[DarkCart]

I've run into a very strange problem. In my code, the player can move down and right just fine, but cannot move up and left. I have no idea as to what's happening, and here's my code.

if joy0up && player0y > 32 then player0y = player0y - 23 else player0y = 55 rem the player 0y > 32 is bounds detection
if joy0down && player0y < 78 then player0y = player0y + 23 else player0y = 55
if joy0left && player0x > 55 then player0x = player0x - 23 else player0x = 78
if joy0right && player0x < 101 then player0x = player0x + 23 else player0x = 78

The only sort of pattern I see is that the player's not moving when their x or y is subtracted.

 

Could you shed some light on the situation?

 

Thanks,

 

DarkCart

[+Random Terrain]

You have a REM on a line after code with no colon before it. That could be messing something up. Also, else may not work properly with &&:

 

randomterrain.com/atari-2600-memories-batari-basic-commands.html#else

The else keyword might not work correctly in a statement containing &&. The else keyword may also not work as expected when there is more than one if…then on a single line.

[DarkCart]

You have a REM on a line after code with no colon before it. That could be messing something up. Also, else may not work properly with &&:

 

randomterrain.com/atari-2600-memories-batari-basic-commands.html#else

Thank you, this fixed it.