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Routines |
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Subtracts B from the lower two ASCII digits of money (var_money_digits34).
Borrows from digit 4 via money_borrow_lo if needed; resets to zero on underflow
via reset_money. Refreshes HUD on exit.
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| deduct_money | BA8F | LD HL,($C340) | Load digits 3–4 of money (var_money_digits34) into HL | |
| BA92 | LD A,L | A = L | ||
| BA93 | DEC A | DEC A | ||
| BA94 | CP $2F | If below '0' → borrow from digit 4 (money_borrow_lo) | ||
| BA96 | CALL Z,money_borrow_lo | |||
| BA99 | LD L,A | L = A | ||
| BA9A | LD ($C340),HL | Store HL back to var_money_digits34 | ||
| BA9D | DJNZ deduct_money | DJNZ — repeat B times | ||
| BA9F | CALL draw_hud | Refresh HUD (draw_hud) | ||
| BAA2 | RET | |||
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