These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] dev-embedded/zmac-1.3-r2::gentoo  81 KiB
[ebuild  N     ] app-emulation/xtrs-4.9d_p20250819::gentoo  USE="-ls-dos" 417 KiB

Total: 2 packages (2 new), Size of downloads: 497 KiB