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Diffstat (limited to 'doc/mdk_gmixvm.texi')
| -rw-r--r-- | doc/mdk_gmixvm.texi | 69 |
1 files changed, 61 insertions, 8 deletions
diff --git a/doc/mdk_gmixvm.texi b/doc/mdk_gmixvm.texi index f3ed33b..81ced1d 100644 --- a/doc/mdk_gmixvm.texi +++ b/doc/mdk_gmixvm.texi @@ -7,11 +7,14 @@ @menu * Invoking @code{gmixvm}:: Invoking the GTK+ interface. +* MIXVM console:: Using @code{mixvm} commands. * MIX virtual machine:: The MIX virtual machine window. +* MIXAL source view:: Viewing the MIXAL source code. +* MIX devices view:: Device output. * Menu and status bars:: Available menu commands. @end menu -@node Invoking @code{gmixvm}, MIX virtual machine, gmixvm, gmixvm +@node Invoking @code{gmixvm}, MIXVM console, gmixvm, gmixvm @comment node-name, next, previous, up @section Invoking @code{gmixvm} @@ -27,7 +30,7 @@ gmixvm @kbd{RET} at your command prompt. The @code{gmixvm} main window will appear, offering you a graphical interface to run and debug your MIX programs. -@image{ss_mix} +@image{img/ss_mix} Apart from the menu and status bars, we can distinguish two zones (or halves) in this main window. In the upper half of @code{gmixvm}'s main @@ -48,12 +51,27 @@ devices. @noindent On the other hand, the main window's lower half presents you a @code{mixvm} command prompt and a logging area where results of the -issued commands are presented. +issued commands are presented. These widgets implement a @code{mixvm} +console which offers almost the same functionality as its @acronym{CLI} +counterpart. The following sections describe the above mentioned components of @code{gmixvm}. -@node MIX virtual machine, Menu and status bars, Invoking @code{gmixvm}, gmixvm +@node MIXVM console, MIX virtual machine, Invoking @code{gmixvm}, gmixvm +@comment node-name, next, previous, up +@section MIXVM console + +In the lower half of the @code{gmixvm} main window, you will find a +command text entry and, above it, an echo area. These widgets offer you +the same functionality as its @acronym{CLI} counterpart, @code{mixvm} +(@pxref{mixvm}). You can issue almost all @code{mixmv} commands at the +@code{gmixvm}'s command prompt in order to manipulate the MIX virtual +machine. Please, refer to @xref{mixvm}, for a description of these +commands, and to @xref{Getting started}, for a tutorial on using the MIX +virtual machine. + +@node MIX virtual machine, MIXAL source view, MIXVM console, gmixvm @comment node-name, next, previous, up @section MIX virtual machine @@ -65,10 +83,11 @@ total uptime, elapsed time since the last run command and total execution time for the currently loaded MIX program). Clicking any register entry, you will be prompted for a new register's -contents +contents. + @ifnotinfo -(as shown in the next figure). -@image{ss_worddlg} +The next figure shows the enter word dialog. +@image{img/ss_worddlg, 400pt} @end ifnotinfo In the same manner, click on any address of the memory cells list to be @@ -77,8 +96,42 @@ address column's title, a dialog asking you for a memory address will appear; if you introduce a valid address, this will be the first cell displayed in the scrollable list after you click the OK button. +The register contents are shown as a list of MIX bytes plus sign. If you +place the mouse pointer over any of them, the decimal value of this MIX +word will appear inside a tooltip. + +@node MIXAL source view, MIX devices view, MIX virtual machine, gmixvm +@comment node-name, next, previous, up +@section MIXAL source view + +The second notebook's page, dubbed MIXAL, shows you the MIXAL source of +the currently loaded MIX file. A shown in the next figure, the +information is presented in two columns. + +@image{img/ss_mixal, 400pt} + +The first column shows the address and memory contents of the compiled +MIX instruction, while the second one displays its corresponding MIXAL +representation, together with the source file line number. The current +location of the location counter is highlighted in grey, while any set +breakpoint is marked in red. You can set/unset breakpoints by clicking +on any line in this view which has an associated memory address. + +@node MIX devices view, Menu and status bars, MIXAL source view, gmixvm +@comment node-name, next, previous, up +@section MIX devices view + +The last notebook page, dubbed Devices, shows you the output on +character based MIX devices (the console, line printer and paper tape, +@pxref{Devices}) produced by the running program. The binary +input/output devices (disks, cards, etc.) are handled via files, as in +@code{mixvm} (@pxref{Devices}). + +@ifnotinfo +@image{img/ss_devices, 400pt} +@end ifnotinfo -@node Menu and status bars, , MIX virtual machine, gmixvm +@node Menu and status bars, , MIX devices view, gmixvm @comment node-name, next, previous, up @section Menu and status bars |