RetroChallenge 2018/09: Item Movement for Atari Adventure in BASIC

Got some item movement mechanics working for the TRS-80 MC-10 version of Atari Adventure in BASIC. Dragon is moving a little faster too. The drawbridge goes up now

Had to make some compromises in my graphic design for items for the sake of speed. Still worried about the combat and whether I can make it challenging but not arbitrary. If that can be done, then I'll move on to also using the dragon routine as the basis for bat movement.  Probably will have to limit things to one monster per room at a time as a concession to the limits of BASIC. Then it's just a question of creating routines to distribute items and monsters and detect the winning conditions.  I'm pretty confident now I can get a functioning game of some sort completed by the end of the month.  It's now just a question whether it will be mildly interesting (about the best you can hope for any BASIC game), or a functioning dud.