This is the sourcecode of one of the best MSX2 emulators for Amiga Classic. It's free and its source code is open. Features:

FAST. 
Smoth Scrolls. 
R-800 CPU supported. 
Z-80A Emulation highly optimized and compatible. 
One Frame screen refresh! 
MSX Disk drives supported via Amiga Disk drives. 
MSX Disk images supported (MVD:) 
Cartridges (ROM images) supported (Mega-ROMs aswell) 
100% Compatible with MC68020/030/040/060 
Line Interrupts support with screen changes in real time. 
MSX, MSX2 and MSX2+ ROMs supported. 
DOS and DOS2 ROMs supported. 
KANA ROM supported. (Kanji graphics) 
All MSX2 Screen modes supported. 
Two JoySticks ports supported. 
MSX Tape simulation support. 
MSX Mouse supported 
MSX Printer supported 
PSG and SCC Sound support. 
Cheat mode. (Find and set cheats in your games!) 
Mini-Debug mode. (Show memory and CPU registers) 
PAL and NTSC frequencies ONLY acepted. 
xpk, Stone Cracker and File Imploder decrunch support. 
Great GUI, very easy of use. 
Key file support. 
 
Limitations 


AGA Chip set Required. 
Don't work with Graphics cards. 
ONLY work with PAL or NTSC frequencies. 
 
History 

v3.1 (25 September 2000) 
MSX2 Overscan mode support (Sex Bomb Bunny / MATRA) 
Screen 2 and 4 with ONE tile Bank support (Ark-A-Noah / MATRA) 
100% Compatible with all Motorola procesors (020/030/040/060) 
Z-80A Emulation is now Syncronized (Slow but more Quality) 
Now, a lot of things are 100% syncronized like a real MSX. 
Full support of Line Interrupts. 
CPU Emulation can run at Real/Fast/Turbo Modes. 
Screen 8 Sprites are now emulated with your real colours. 

v2.52 (August 1999) 
AmiMSX is FreeWare. (Included Key file Registered to the Amiga Community) 

v2.51 (7 October 1997) 
More compatibility with MC68060. 

v2.5 (10 September 1997) 
KANA ROM Supported. (Kanji graphics) 
Screen 3 emulated. (Graph Multi) 
Simulation of Japanese ROM-Bios. 
BIG Bug fixed in Z-80A Slower. 
Mini-Debug mode. 
Tape mode support. 
Refresh Internal Amiga Clock (NO more time Freezed) 
Saves MSX2 Sprites like a IFF-ILBM file. 
Some Z-80A and VDP bugs fixed. 
xpk support (Cartridges only) 
Saves ASL paths. 
Key file support.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 8682   27324  31.8% -lh5- 356b Oct  1  2000 AmiMSX/Docs/AmiMSX.guide
[generic]                  652    1669  39.1% -lh5- 6ec7 Jan 12  2002 AmiMSX/Docs/AmiMSX.guide.info
[generic]                 8698   54270  16.0% -lh5- 7bc6 Jan  6  2001 AmiMSX/GadToolsBox/AmiMSX_v3.1.gui
[generic]                21787  198072  11.0% -lh5- 7d5d Sep 25  2000 AmiMSX/GadToolsBox/AmiMSX_v3.1.s
[generic]                 1007    5940  17.0% -lh5- d06e Sep 23  2000 AmiMSX/Gfx/AmiMSX_Logo.raw
[generic]                 5603   64320   8.7% -lh5- ddb1 Mar 25  2000 AmiMSX/Gfx/MatraLogo.raw
[generic]                 2481   10000  24.8% -lh5- d96f Dec 24  1996 AmiMSX/Gfx/Sample-Ruido.raw
[generic]                 6455   17510  36.9% -lh5- db53 Sep 23  2000 AmiMSX/Pics/AmiMSX_Logo.Iff
[generic]                 8835   23146  38.2% -lh5- 7d64 Mar  5  2000 AmiMSX/Pics/AmiMSX_Matra.Iff
[generic]                 9598   35772  26.8% -lh5- 1a7c Sep 25  2000 AmiMSX/Pics/Keyboard.Iff
[generic]                  709    1496  47.4% -lh5- 3291 Jan 12  2002 AmiMSX/Pics/Keyboard.Iff.info
[generic]                 6260   20884  30.0% -lh5- dd0b Mar 25  2000 AmiMSX/Pics/Matra_Logo.Iff
[generic]               244224  244224 100.0% -lh0- bceb Sep  5  1997 AmiMSX/AmiMSX2.data
[generic]                  180     180 100.0% -lh0- 11e6 Jul  9  2000 AmiMSX/AmiMSX2.mapper
[generic]                75070  371354  20.2% -lh5- fcdf Nov  5  2001 AmiMSX/AmiMSX_Main_v3.1.asm
[generic]                39391  158181  24.9% -lh5- 899e Nov  5  2001 AmiMSX/AmiMSX_Menu_v3.1.asm
[generic]                  284     757  37.5% -lh5- 2a8f Jan 11  1980 AmiMSX/Registros/Registros.asm
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total        17 files  439916 1235099  35.6%            Jul 21 16:31