{"id":7021,"date":"2023-03-18T16:22:23","date_gmt":"2023-03-18T16:22:23","guid":{"rendered":"https:\/\/loadzx.com\/timexcomputerworld\/?page_id=7021"},"modified":"2023-05-26T14:30:47","modified_gmt":"2023-05-26T14:30:47","slug":"online-2048-manual","status":"publish","type":"page","link":"https:\/\/loadzx.com\/timexcomputerworld\/online-2048-manual\/","title":{"rendered":"Online 2048 Manual"},"content":{"rendered":"\t\t
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TIMEX BASIC 64
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Graphic pack Basic 64 TC2048
<\/strong>Graphic pack Basic 64
<\/strong>Extension to Sinclair Basic
<\/strong>Version for TC2048
<\/strong>Graphic Pack Basic 64<\/strong><\/p>

Note: The Basic64 routines can be used in the user programs.
Commercial programs must refer that the Basic64 routines are used.<\/span><\/p>

CAP 0 – Introduction<\/strong><\/p>

The Basic 64 program gives the possibility to the user, to use the extended graphic capabilities and special text printing, supported by the design of the TC2068 (in ZX Spectrum mode) and TC2048 microcomputers.<\/p>

Two special channels are used, to print in 64 columns (channel #4) or print in a variable number of columns (channel #5). There is implemented a new group of Basic commands in addition to the existing ones, allowing the use of those graphics modes in Basic programs. Is possible too, the use of machine code routines to use those capabilities.<\/p>

CAP 1 – System initialization<\/strong><\/p>

Put the Basic64 tape in the tape recorder and type:<\/p>

LOAD “”<\/strong><\/p>

After the LOADER stop to LOAD, this message appears on the screen:<\/p>

TEM O SISTEMA FDD LIGADO AO COMPUTADOR? (S\/N)<\/strong>
(Do you have the FDD system connected to the computer (Y\/N))<\/span><\/p>

If the answer is no, so the BASESTA<\/strong> code block is loaded. If the answer is yes, the BASEST<\/strong> code block is loaded, what justifies this is that with the FDD connected, the machine code routine is a little different. Then the second code block is loaded, then a message appears on the screen:<\/p>

0 OK, 0:2<\/strong><\/p>

Now you can verify that a line 0 exists and include a direct call to the routine and a copyright message. The call to the routine, will relocate BASIC, start the new system variables introduced by Basic64, open the new channels (#4 and #5), and prepare the Basic interpretor, so it accepts the syntax of the new commands.<\/p>

The user must execute a RANDOMIZE USR 31488<\/strong>, after a CLEAN n<\/strong>, RUN n<\/strong> or a GOSUB n<\/strong> to access the extended commands. You are advised to edit the Basic programs in 32 columns mode, so execute the following command:<\/p>

OUT 255,0<\/strong><\/p>

After editing, you can return to extended mode with the INK *n<\/strong> or PAPER *n<\/strong>.<\/p>

1.1 SAVE and LOAD Basic64 programs<\/strong><\/p>

There are two ways of saving programs in Basic64, one of them involving, the change of the basic program in the tape.<\/p>

In the first step, common to both processes, the program is saved in the tape by the usual way. To call it, you can LOAD<\/strong> the Basic64 routine and then LOAD<\/strong> the program. If you want to LOAD<\/strong> all in a single step (using just one LOAD””<\/strong>), you must perform the following way: first, make a NEW<\/strong> and then from the Basic64 tape execute MERGE””<\/strong>, after that, you make a LIST<\/strong> and see that line 15 have a comment. Replace that line with one with a LOAD”name”<\/strong> to LOAD<\/strong> the program in Basic64 and save this LOADER with SAVE “BASIC64” LINE 10<\/strong><\/p>

CAP 2 -Extended Basic<\/strong><\/p>

2.1 Resolution modes<\/strong><\/p>

The user has two graphic modes permitted by the system:<\/p>

0 – 256×192 pixels (256×176 pixels in the zone dedicated to printing)
1 – 512×192 pixeis (512×176 pixeis, the same)<\/span><\/p>

Those modes, both using the two DISPLAY FILES, are relative to the new graphical commands, which we will introduce and will be explained in the next section:<\/p>