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USM — Atari ST Cart Image Builder

Pack one or more Atari ST .PRG / .TOS programs into a 128 KB cartridge ROM image. Output works in Hatari, STEem, or on real cart hardware via the SidecarTridge Multidevice.

• Step 1/4 — Add programs Ready
  Drag and drop one or more .PRG / .TOS files here, or browse.

  #	File	Size	Compress (-z)	Init flag (-f)	BSS (-b)	Actions

  No programs yet.
• Step 2/4 — Cart options Pending
  Output format

  .ROM — standard cart .STC — STEem prefix (-s) Diagnostic cart (-d)

  Mode

  Default — stub loader Classic (-c) — in-ROM

  Defaults for newly added programs

  Compress (-z) by default Init flag (-f): (none — manual launch from c: drive) 0 — prior to display + IRQ init 1 — just before GEMDOS init 3 — prior to boot disk 5 — Desk Accessory 6 — non-GEM application 7 — needs parameters BSS address (-b, hex): (default 20000)
• Step 3/4 — Build Pending

  Click Build cart. Per-program compression results stream into the log below.

  Build cart
• Step 4/4 — Download Pending
  File name: Download Build another