Amstrad gave permission for the CPC ROMs to be distributed freely as long as the copyright message is not changed and that the program acknowledges that Amstrad still holds copyright. Locomotive BASIC is copyright Locomotive Software.

• English (v1) (Amstrad 40009)
• Danish (d1)
• Spanish (s1) (Amstrad 40037)
• French (f1) (Amstrad 40050)

• English (v2) (Amstrad 40022)

• English (v3) (Amstrad 40025)
• French (f3) (Amstrad 40051)
• Spanish (s3) (Amstrad 40038)
• WANTED: Danish (d3)

• English (v4) (on cartridge)
• French (f4) (on cartridge)
• Spanish (s4) (on cartridge)
• EXISTS?/WANTED: Danish (d4)

• HD6845 (Hitachi) (aka type 0)
• UM6845 (UMC) / Revised Datasheet (aka type 0)
• UM6845R (UMC) (aka type 1)
• MC6845 (Motorola) (aka type 2)

• LA7800 (Sanyo) (Sync-separator, Deflection Circuit)
• UPC1378H (NEC) (Vertical Deflection Circuit)

• AY-3-8910 (General Instrument)
• AY-3-8910 - Programmable Sound Generator Data Manual

• FDC μPD765AB (NEC) (aka NEC D765AC-2, Zilog Z765APS, Zilog Z0765A08, …)
• FDC UM8272A (UMC) (can be found in some CPCs and DDI-1)

• SED9429 (Data Separator)
• FDC9216 (SMC) (Data Separator)

• Z80 CPU User Manual (2005)(Zilog)
• Z80 Product Specification (1989)(Zilog)
• Z80 Program Interrupt Structure (1978)(Zilog)
• The Undocumented Z80 Documented (2005)(Sean Young)

• MK3880 CPU Technical Manual (1979)(Mostek)
• uPD780 (NEC)
• Z8400 (SGS)

• PPI 8255 (Intel)
• PPI 8255 (OKI)
• TMP8255AP-5 (Toshiba)
• uPD8255A (NEC)

• MN4164P-15 (Panasonic)
• MT4264-15 (Micron Technology)
• KM4164B-15 (Samsung)
• MK4164AL (Mitsubishi)

Amstrad used various 64k*1bit DRAM in the CPC and Plus. They are all basically the same but with different max speed (from 120ns to 250ns).

• 6264 64K-bit Static RAM. (used in the Multiface Two)

• 27C64A 64K-bit CMOS EPROM (8Kx8). (can be found in the Multiface Two)
• HN482764G 64K-bit EPROM (8Kx8). (can be found in the Multiface Two)

• 27C512 (Microchip) EPROM 512Kbit (64K x 8) (supported by the Plus cartridge)
• 27C1001 (ST) EPROM 1Mbit (128Kb x 8) (used in the Burnin Rubber Cartridge)
• 27C2001 (ST) EPROM 2Mbit (256Kb x 8) (supported by the Plus cartridge)
• 27C4001 (ST) EPROM 4Mbit (512Kb x 8) (supported by the Plus cartridge)

• PAL16L8 Family (AMD) (MMI was acquired by AMD in 1987)
• WANTED: Gate Array (I'm still looking for this datasheet).

• 74HC04 - Hex inverter
• 74LS08 - QUAD 2-Input Positive-AND gates
• 74LS27 - TRIPLE 3-Input NOR gates
• 74LS32 - QUAD 2-Input OR gates
• 74LS38 - QUADRUPLE 2-Input Positive-NAND buffers with open-collector outputs (tristate)
• 74LS74 - Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary outputs
• 74LS132 - QUAD 2-Input Schmitt trigger NAND gates
• 74LS136 - QUAD 2-Iinput XOR gates with open collector outputs (tristate)
• 74LS145 - BCD to Decimal Decoders/Drivers
• 74LS153 - DUAL 4-Input Multiplexer
• 74HC240 - OCTAL buffer/line driver; 3-state;inverting
• 74LS244 - OCTAL buffer/line driver; 3-state
• 74LS273 - OCTAL D-Type Flip-Flop with Clear
• 74LS373 - OCTAL Transparent latch with 3-state outputs

• 74LS365AN - Hex buffer (used in the Multiface Two)
• 74LS670 - 4-by-4 Register File (used in the Multiface Two)

• Service Manual (6128Plus, 464Plus, GX4000, MM12, CM14)
• Service Manual (CPC6128, CTM644, GT65)
• Service Manual (CPC664, CTM644, GT65)
• Service Manual (CPC464, CTM640, GT64)
• Service Manual DDI-1 & FD-1

• Amendment Service Manual (CPC464, CPC6128, GT65, CTM644, MP3, CT1)

Note: These electronic schematics come from the service manuals. Check them out for additionnal electronic informations.

• EP0241288B1: Microprocessor video display system (Amstrad)

• GB2243701A: Controlling access to computer system features (Amstrad)
  • ES2026091A6 (Spanish)
  • FR2659763A1 (French)
  • IT1245221B (Italian)

• Z80 Assembly Language Programming Manual (1977)(Zilog)
• Z80 Assembly Language Subroutines (1983)(Lance A Leventhal)(Osborne)
• Z80 Microcomputer Handbook (1985)(William Barden, Jr.)
• Programming the Z80 3rd Edition (1980)(Rodnay Zaks)(Sybex)

• Understanding The Operation of a CRT Monitor (1989)(National Semiconductor)
• The floppy user Guide
• 3.5" Floppy Drive configuration
• Press Release for the Plus range (1990)(Amstrad) (courtesy of Longshot/Logon System)