mirror of
https://github.com/pret/pokegold.git
synced 2024-11-26 23:10:41 +00:00
32 lines
495 B
NASM
32 lines
495 B
NASM
FarCall_hl::
|
|
; Call a:hl.
|
|
; Preserves other registers.
|
|
ld [wTempBank], a
|
|
ldh a, [hROMBank]
|
|
push af
|
|
ld a, [wTempBank]
|
|
rst Bankswitch
|
|
call FarCall_JumpToHL
|
|
|
|
; We want to retain the contents of f.
|
|
; To do this, we can pop to bc instead of af.
|
|
ld a, b
|
|
ld [wFarCallBC], a
|
|
ld a, c
|
|
ld [wFarCallBC + 1], a
|
|
|
|
; Restore the working bank.
|
|
pop bc
|
|
ld a, b
|
|
rst Bankswitch
|
|
|
|
; Restore the contents of bc.
|
|
ld a, [wFarCallBC]
|
|
ld b, a
|
|
ld a, [wFarCallBC + 1]
|
|
ld c, a
|
|
ret
|
|
|
|
FarCall_JumpToHL::
|
|
jp hl
|