Concise Atari ST 68000 Programmer's Reference Guide
ADE ASCII decimal equivalent AES Application environment services ACIA Asynchronous communications interface adapter ANSI American national standards institute ASCII American standard code for information interchange AUX Auxiliary
BCD Binary coded decimal BDOS Basic disk operating system BIOS Basic input/output system BPB BIOS parameter block BSS Block storage segment
CCP Console command processor CCR Condition code register CON Console CP/M Control program for microcomputers CPU Central processing unit CRC Cyclic redundancy check CTS Clear to send
DCD Data carrier detect DIR Directory DMA Direct memory access DOS Disk operating system DPB Disk parameter block DS Double sided DTR Data terminal ready D/A Digital to analogue
EPB Exception parameter block
FAT File allocation table FCB File control block FDC Floppy disk controller FIFO First in first out register
GDOS Graphics device operating system GEM Graphics environment manager GIOS Graphics input/output system GP General purpose Gnd Ground GSX Graphic system extension
HDC Hard disk controller
ID Identification ikbd Intelligent keyboard IPL Interrupt level I/O Input/output
LPB Load parameter block LSB Least significant byte/bit LST List
MD Memory descriptor MFDB Memory form definition block MFP Multi function peripheral MIDI Musical instruments digital interface MS-DOS Microsoft disk operating system MSB Most significant bit
NDC Normalised device co-ordinates
OEM Original equipment manufacturer OS Operating System OSC Oscillator
PC Program counter PC-DOS IBM personal computer operating system pk-pk Peak to peak PSG Programmable sound generator
RAM Random access memory RC Raster co-ordinate RF Radio frequency RGB Red - green - blue Ri Ring ROM Read only memory RSX Resident system extension RTE Return from exception RTS Return form subroutine Rx Receive
SASI Shugart associates standard interface SCSI Small computer systems interface SP Stack pointer SR Status register SS Single sided SSP Supervisor stack pointer
TOS The operating system TPA Transient program area TTL Transistor-transistor logic Tx Transmit
ULA Uncommitted logic array USART Universal synchronous/asynchronous receiver/transmitter USP User stack pointer
VBI Vertical blank interrupt. VDI Virtual device interface VLSI Very large scale integration