Madou Monogatari - Hanamaru Daiyouchienji (J) Bug

[quickplay]

Game: Madou Monogatari - Hanamaru Daiyouchienji (J).
OS - WinXP
ZSNES - reproducable with 1.36-1.42, havent tested older.
PC - tested on 3.2Ghz Athlon64 and a 700Mhz Duron.
Problem:
This game will run normally when you open it from the ZSNES open dialog, however if you open by passing a commandline parameter (like from most frontends) then the game slows down - to a speed where your wondering if its actually moving at all.

Parameter used:

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F:\Emulation\emulators\SNES Emulators\zsnesw142\zsnesw.exe "F:\emulation\ROMS\SNES ROMs\Madou Monogatari - Hanamaru Daiyouchienji (J).zip"

A user of my frontend reported this to me, and said that Super Puyo Puyo 2 (J) has the same problem, but I dont have that ROM to confirm this. Apologies if I have posted this in the wrong place!

NSRT Output

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--------------------Internal ROM Info----------------------
File: Madou Monogatari - Hanamaru Daiyouchienji (J).smc
Name: MADOMONOGATARI           Company: Tokuma Shoten Intermedia
Header: None                               Bank: LoROM
Interleaved: No                            SRAM: 64 Kb
 Type: Normal + Batt                    ROM: 16 Mb
Country: Japan                             Video: NTSC
ROM Speed: 200ns (SlowROM)       Revision: 1.0
Checksum: Good 0xD952              CRC32: 1354E81E
--------------------------Database--------------------------
Name: Madou Monogatari - Hanamaru Daiyouchienji
Country: Japan                  Revision: 1.0
 Port 1: Gamepad                  Port 2: Gamepad
Genre 1: RPG                     Genre 2: None