from a script.
ETEXI
+DEF("singlestep", 0, QEMU_OPTION_singlestep, \
+ "-singlestep always run in singlestep mode\n")
+STEXI
+@item -singlestep
+Run the emulation in single step mode.
+ETEXI
+
DEF("S", 0, QEMU_OPTION_S, \
"-S freeze CPU at startup (use 'c' to start execution)\n")
STEXI