Spellbound (48k): Routine at 34224

34224: Test whether current object is too heavy for a character to pick up

Used by the routine at 34202.

Input
A	Character's current strength
IX	Points to character's current inventory

Output
F	Sign flag set if object is light enough to be picked up, reset otherwise

34224

PUSH AF

Store AF (A = character's current strength)

34225

LD BC,1280

Load B with 5 (as five inventory slots to check) and C (total weight carried) with zero

34228

LD A,(IX+0)

Load object in current inventory slot

34231

OR A

If no object present...

34232

JR Z,34243

...skip ahead to 34243...

34234

CALL 34126

Load A with weight of object A

34237

ADD A,C

Add C to this...

34238

LD C,A

...and load result into C (total weight so far)

34239

INC IX

Advance to next inventory slot

34241

DJNZ 34228

Loop back for next inventory slot

34243

POP AF

Restore AF (A = character's current strength)

34244

AND 127

Ensure that strength is capped at 127 and that sign flag is reset (in reality, Magic Knight's strength can only go as high as 96)

34246

SUB C

Subtract total weight of character's carried objects from his/her strength to get "surplus" strength...

34247

LD C,A

...and load into C

34248

LD A,(30467)

Load A with index of Current Object (e.g. object character is trying to receive)

34251

CALL 34126

Load A with weight of object A

34254

CP C

Set sign flag if surplus strength exceeds weight of object, otherwise reset

34255

RET

Return