-Hint: "info" command "aes", "gemdos" and "vdi" subcommands for can be
-used to list the corresponding OS-call opcodes. For example,
-to see the GEMDOS opcodes, use:
+Hint: "info" command "aes", "bios", "gemdos", "vdi" and "xbios"
+subcommands for can be used to list the corresponding OS-call opcodes.
+For example, to see the GEMDOS opcodes, use:
Disable tracing with "trace none" when you enter the debugger again.
-"trace help" (or TAB) can be used to list all the (over 30) supported
+"trace help" (or TAB) can be used to list all the (over 40) supported
traceable things, from HW events to OS functions.
@@ -3476,9 +3504,8 @@ which tell it to intercept this higher l
(which doesn't work under MiNT because it re-implements GEMDOS)
-If use of above isn't possible for the things you'd like to track,
-you can use the OS call opcode breakpoints explained above with the
-":trace" breakpoint option.
+Unlike with AES and VDI tracing, BIOS, GEMDOS and XBIOS traces show
+arguments for most of the calls.
Tracing options can be set even from a program within the emulation
@@ -3491,6 +3518,11 @@ console.
Note that the trace output file can be set only when Hatari starts,
it cannot be changed from within the debugger (or emulation).
+
+If tracing isn't possible for the things you'd like to track, you can
+use the OS call opcode breakpoints explained above with the ":trace"
+breakpoint option.
+
@@ -3756,14 +3787,15 @@ DSP.
Lastly, the debugger is much nicer to use with the command line
-history, editing and especially with the command, command argument and
-symbol name completion support. If you're building Hatari yourself,
-please make sure that you have the GNU readline development files
-installed (on Debian / Ubuntu these come from the libreadline5-dev
-package). Otherwise completion doesn't get enabled when you configure
-Hatari.
+history, editing and especially the completion support for the
+command, command argument and symbol names.
+
+
+If you're building Hatari yourself, please make sure that you have the
+GNU readline development files installed (on Debian / Ubuntu these
+come from the libreadline5-dev package). Otherwise the name completion
+and other features don't get enabled when you configure Hatari.
-
ENABLE_TRACING define needs to be set for tracing to work.
By default it should be enabled.
@@ -3833,7 +3865,7 @@ an effect!
Emulating the Falcon DSP is performance-wise several times more demanding
than emulating the m68k; DSP runs at higher frequency, executes many
instructions for each m68k instruction and emulation isn't as mature
-and optimized. Unless some program needs DSP, none or
+and optimized. Unless some Falcon program needs DSP, none or
dummy DSP emulation mode could be used. Even of the programs
that do use DSP, many use it only for background music and work
fine without the real DSP emulation.
@@ -3928,15 +3960,16 @@ to use zooming, disabling borders may he
Handling Spec512 color modes which change the ST/e palette constantly
takes some extra CPU. If you have problems with CPU usage in such
screens and you care more e.g. from the sound quality than visuals, you
-can disable the Spec512 mode handling by zeroing the threshold for that
-with the --spec512 0 option.
+can either increase the threshold or disable the Spec512 mode handling
+completely by zeroing the threshold for that with the
+--spec512 0 option.
Statusbar and drive LED
-If your version of libSDL uses VSync to synchronize the screen output,
-drawing of the statusbar or the drive LED may have some minor impact
-on performance too. Normally they shouldn't.
+If your version of the SDL library uses VSync to synchronize the screen
+output, drawing of the statusbar or the drive LED may have some minor
+impact on performance too. Normally they shouldn't.
@@ -3965,13 +3998,13 @@ It depends on what you want to measure,
disable sound and set high frame skip like
--sound off --frameskips 60 so that
the associated external overheads are minimized. E.g. video output
-can on some platforms do VSync and measurements would then show
-your monitor refresh frequency instead of actual Hatari performance.
+can on some platforms do VSync and measurements would then show your
+monitor refresh frequency instead of the actual Hatari performance.
On Unix systems with times() function
call, only the time spent by the Hatari process itself is measured.
-On other systems much less accurate SDL "wall clock" timings are
+On other systems, much less accurate SDL "wall clock" timings are
used. To make latter more accurate you could use also
--run-vbls option to specify how many
VBLs Hatari should run before it exits. In this case it's best to
@@ -3980,7 +4013,7 @@ given as memory snapshot to Hatari with
the VBL count.
-Note that the numbers can fluctuate quite a bit, especially
+Note that these numbers can fluctuate quite a bit, especially
when the SDL timings are used, so for (statistically) reliable numbers
you may need to repeat the measurement several times. You should of
course make also sure that the system doesn't have any other activity
@@ -4058,7 +4091,7 @@ parts of the emulated system is much tri
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