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| author | luckytyphlosion <alan.rj.huang@gmail.com> | 2016-03-17 17:37:20 -0400 |
|---|---|---|
| committer | luckytyphlosion <alan.rj.huang@gmail.com> | 2016-03-17 18:00:54 -0400 |
| commit | bd5a5f70d44a0fef041027be12d439588f863507 (patch) | |
| tree | 2d0394e028908d087dc2aef3bd4202f55a486e64 /engine/subtract_paid_money.asm | |
| parent | Remove misleading (unreferenced) labels. (diff) | |
| download | pokeyellow-bd5a5f70d44a0fef041027be12d439588f863507.tar.gz pokeyellow-bd5a5f70d44a0fef041027be12d439588f863507.tar.xz pokeyellow-bd5a5f70d44a0fef041027be12d439588f863507.zip | |
Split bank1 up.
Diffstat (limited to 'engine/subtract_paid_money.asm')
| -rw-r--r-- | engine/subtract_paid_money.asm | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/engine/subtract_paid_money.asm b/engine/subtract_paid_money.asm new file mode 100644 index 00000000..45df93a7 --- /dev/null +++ b/engine/subtract_paid_money.asm @@ -0,0 +1,17 @@ +; subtracts the amount the player paid from their money +; sets carry flag if there is enough money and unsets carry flag if not +SubtractAmountPaidFromMoney_: ; 68a6 (1:68a6) + 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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