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- ; subtracts the amount the player paid from their money
- ; sets carry flag if there is enough money and unsets carry flag if not
- SubtractAmountPaidFromMoney_:
- ld de, wPlayerMoney
- ld hl, hMoney ; total price of items
- ld c, 3 ; length of money in bytes
- call StringCmp
- ret c
- ld de, wPlayerMoney + 2
- ld hl, hMoney + 2 ; total price of items
- ld c, 3 ; length of money in bytes
- predef SubBCDPredef ; subtract total price from money
- ld a, MONEY_BOX
- ld [wTextBoxID], a
- call DisplayTextBoxID ; redraw money text box
- and a
- ret
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