ChipsI/O & supportCustom & glue logic › Atari ST GLUE

Atari ST GLUE

1985

Atari ST's custom GLUE chip, generating system timing and address decoding that tied the ST's memory, video and I/O together.

Machines

Operating systems

Reference & documentation

External technical references for programming Atari ST GLUE and for writing emulators.

ResourceTypeNotes
Atari ST Internals: hardware memory map ↗DatasheetFull ST custom-chip and register memory map
Atari STE Hardware (Info-Coach / DrCoolZic) ↗Interrupt listGLUE interrupt generation, IPL, MFPINT, IACK
Reverse-engineering the GLUE ASIC (Keli Hlodversson) ↗Memory mapGLUE address decoding, RAM/ROM ranges, GAMECART register
Atari ST Internals (full book PDF) ↗PinoutGLUE chip pinout and signal descriptions
Atari STE Hardware architecture reference ↗ReferenceGLUE role, clocks, bus arbitration, address decoding
How the Atari ST Core Works (MiST wiki) ↗ReferenceIO-chip architecture, GLUE role, video timing
Recovering Atari ST ASIC designs (CHZ-Soft) ↗SchematicRecovered original Atari GLUE/GSTMCU ASIC schematics and drawings
Translating GLUE schematics to Verilog (Keli) ↗SourceVerilog translation of GLUE schematics, simulation-verified
MiSTery: cycle-accurate Atari ST/STe FPGA core ↗SourceCycle-accurate GLUE+MMU core from original schematics
Suska: VHDL open-source Atari ST(E) IP-core ↗SourceOpen-source VHDL reconstruction starting from GLUE decoder
Recovered Atari GLUE ASIC netlists and test vectors ↗Test suiteOriginal netlists, simulation data and test vectors