Shanghai Pocket (WonderSwan)

Shanghai Pocket
Developer: Success Publisher: Sunsoft Platform: WonderSwan Released in JP: April 1, 1999 This game has debugging material. This game has a hidden sound test.

Debugging

To enter Swan OS modify the initial task to select_init in the tsk_init routine.

806F:010B                 mov     word ptr ds:754h, 000Ch ; select_init offset
806F:0111                 mov     word ptr ds:756h, 81DAh ; select_init segment

Swan OS

Swan OS

Function

Name	Address
select_init	81DA:000C

Press Start to enter the System Menu.

Press X1 or X3 to cycle through the sound effects.

Press A to play a sound effect or B to stop playing a sound effect.

Press A + B + Start to restart.

System Menu

Sys

Press X1 or X3 to navigate the menu.

Press Start or A to select a menu item.

Stage Select and Mode

StageSelectAndMode

Press Start to return to the System Menu.