JPS5820488A - Printer control system - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a printing control system in a dot printer.

In a dot printer using a print head that does not have a dot dedicated to printing ruled lines, character data, ruled line data, print instruction codes, etc. are stored together in a print code buffer as one line of print data, and one line of the print code buffer is stored as one line of print data. When printing lines, there is a method that automatically creates and prints a line of ruled lines if a ruled line is specified, but the conventional method had the following drawbacks.

Assume now that the contents of one line of the print code buffer are as shown in FIG. 1(a). In FIG. 1(a), 1 is a print code buffer, 2 is a ruled line instruction code, 3 is character data,
4 is a carriage return (CJ code), 5 is a New Line (NT, ) coattail.

That is, in the example shown in FIG. 1(a), the character codes in the $11th line with ruled lines are °'1"', "2", "3"', and CR, ~
to instruct printing, and the second line is the character code SP (space)
, ``A'', and ``B'' indicate that NL is used to instruct printing.

When printing the contents of this print code buffer, in the conventional method, the first line has an upper ruled line, so it prints a ``-ruled line and a new line, and the second line is ``1'', ``2'', 3''. ' is printed, a new line is printed, and the third line ('- bottom ruled line is printed, then the C-operation is performed, and then the second line's print data "A" is printed.
``'', print ``B'' (2). Figure 1 (b
) shows the printing results. This was originally shown in Figure 1 (C)
Because it is printed with ruled lines, it must be printed as shown in C.
This was because the R operation could not be performed properly, and there was no hope for improvement.

An object of the present invention is to eliminate the drawbacks of the conventional art described in -1-, and to provide a printing control system that allows normal CR operation even when the number of lines of ruled line printing increases. .

Therefore, in the present invention, a data buffer and a ruled line buffer are provided separately (-), and if there is rising line or lower ruled line data in one line of print data read from the print code buffer, they are separated into a ruled line buffer and a lower ruled line buffer. Then, the data is printed in the order of ruled line buffer and character/buffer, but if there is a CR code, the next line data is preempted until there is no more CR/code. Repeatedly print ruled lines.

Next, one embodiment of the present invention will be described in detail using the drawings.

FIG. 2 is a block diagram showing one embodiment of the present invention. In FIG. 2, 11 is a print code buffer in which data for each line is stored.

This situation is shown in FIG. 3 (two parts. Also, FIG. 3 (1)) shows the printing results. 15.18 is a one-line data buffer; 14. , 16 , 1.7 , 19
is a ruled line de=tanoζtufa. +2. ], 3 are registers for setting print instruction codes. 20 is a buffer 08 control unit, data buffers 15, 1.8, and ruled line buffers 14, 16.1.7.

If one of the buffers is selected from 19, and there is a C or II code, control is performed from the flowchart shown in Figures 4 and 5 (2).Also, with this control, print data and ruled line data are The dot pattern (converted into two. 21.22 is an image buffer for manually inputting this converted dot pattern. 23 and 2.4 are print instruction code registers 12.1
This is a print instruction register that is set according to the contents of 3 and ruled lines. 25 is a printer mechanism, which includes an image buffer 21.
The dot pattern in '22 is printed according to the print instructions from the registers 23 and 24.

Next, the operation of this embodiment will be explained with reference to the 31st threshold and FIGS. 4 and 5.

Under the control of the buffer control unit 20, the print code buffer 1
1 line ``1 is in buffer 14, 1.5, 1.6,
The second line is set separately in buffers 1.7, 18, and 19 as "ruled line data, print data (including ruled line data), and lower ruled line data." At the same time, a print instruction code (CJNL) is set in register 1.2.13.

In the example of 3rd jyl (a), the buffer 14 (2) is set with rising line data, the buffer 15 is set with print data 31, the buffer 16 is set with lower ruled line data, and the buffer 17 is set with the - ruled line data. However, the print data 32, -33 are set in the buffer 18, and the lower ruled line data is set in the buffer 19. Furthermore, the CR code 4 is set in the register 12.
However, "NL code 5" is set in the register 13.

Now, in step (2) in FIG. 4, if there is "-ruled line data 2" in the buffer 14, it is decomposed into dots according to the rising line data 2 and input into the image buffer 21.

In the Stesofugo, the register 12 is rotated 4 times, and if the C'I'L code is 4, the register 2; At this time, no change action is performed.

If the NL code is 1.5, set the NL code 5 and instruct printing. For example, in FIG. 3(a), an ascending line is printed in FIG. 3(1), and the operation cn is performed, and since the register 12 is CI(,), the process proceeds to step (2).

Step (■ If there is a line loss in the buffer 17! If there is data, break it down into dots and put it into Ino-7) / Nofa 22 (Two people can do it and do Step C / Go around Jister 13 4 times, if C1 (
, If it is a code, go to step ■, go to code nog sofa 11, read the data on the next line, and find out that it is ruled line data.
; Sofa 17 is set. Next (-Return to step ■,
Image buffer 2], the free one of 22 (1) Prints the ruled line data seven times. That is, as long as the CIt code continues, the old ruled line data is repeatedly printed on the same line.

In the example of Fig. 3(a), in step ■ register]3 is changed to 5.
Since it is a code, go to the image buffer 22 in step ■ (Print the ruled line data entered by two people, and start a line at this \. Figure 3 (+)) /1 indicates.

In the next step (2), if there is data in the buffer 15, it is manually input to the empty dot, and the process proceeds to step (2). 31st Shi I
In the example of (・l), in the processing of steps ■ and ■,
)) The printing shown at 42 is performed. Here, the register]
Since 2 is 011, code, a line feed is not performed in the CR operation, and if there is data in the buffer 18 in the processing of steps ■ and ■, it is decomposed into dots and sent to the innovation sofa 21.
Place it in the empty space of 22 and print. Figure 3 (n()
), the printing shown in FIG. 3(b) (D 45 is performed. Since the register 13 is an N L code, a line feed is performed by the N L operation.

Next, in step [Φ~[phase], do the same thing, buffer 1
The lower UTr DA data of G is as shown in 43 in Figure 3 (1)), and the lower UTr DA data of one buffer is
Print as shown at 46 in Figure (l).

After printing the data in buffer I/I, 15, ]6, the next data is read from the print coat buffer 11 and set in 1cough buffer+4.15.16. In the example shown in FIG. 3(a), print data 311 in the print coat buffer 11 is manually input to the buffer 15. In the example shown in FIG. Similarly, buffers 17 and 18.

When data 19 is printed, the next data is printed by 8 from print buffer 11, and the buffer +7.18.

10 to 10. In the example of FIG. 3 (I), the print date 35 of the print yaw 1 buffer 11 is manually input to the buffer 18. Fork, printing instruction coat Renostar +2, I:i
, the third j, , :j (a) 0) (In step 11, N L is divided by 10.

3rd j%l (1)) When printing the lower ruled line 16,
Step 5 (proceeds to Step 1 (1■), but the subsequent processing is the same as the previous 01 coat processing step (9~■, ■~(0
, (O~(Even though the dispute has already been resolved, step (starting again from D)).

In this case, the data 3/I in Figure 3 (,, ]) has been manually entered into the buffer 15, and since this data has no ruled lines, proceed from step ■→■→(Oki) and proceed to Figure 13 ( 1)) A border 47 is printed, and then the process proceeds to step ■→[phase]→(.

Now that buffers 1 to 1G are free, print data in the next θ) coat buffer] 1 to 6. Next, step 0 → 0 ■ → @ and progress.
48 shown in Figure 3 (1)) is printed 1L, step O→■
→ Proceed with O.

In this way, (: +(, if there is a coat, check whether there is ruled line data or not, and if there is, print the next line data in advance one after another). Next, the data line is printed, and finally the lower ruled line data is printed.

In this embodiment, when the printing CR coat of buffers 14 to 6 is detected, buffers 17 to 1 are used as data prefetch buffers, and buffers 17 to 1 print CI (,
Although the buffers 14 to 16 are used for prefetching data, it would not be a problem to have a separate buffer for prefetching data when a CR code is detected. Further, the reason why buffers for lines 14 to 16 and lines 17 to 1902 are provided is to increase printing efficiency by -11, and there may be buffers for any number of digits.

Furthermore, even if the printer can feed a line in the backward direction, this method is effective because normal CR and code operations cannot be performed without this method.For example, data 35 in Figure 3 (21) If the printing instruction code is CR instead of NI, and the data on the next line is data with ruled lines,
)) If you print 48 and then try to print the next line, one line should be printed between /17 and 48, but the print line It's about to come.

1. As explained above, according to the present invention, when there is a ruled line printing instruction, in the method of increasing the ruled line property and printing,
CI (・Correct printing is possible even with a coat!
This is effective when you want to change the font size to 1'1- within one line.

[Brief explanation of drawings]

191(a), (+)) and (C) are diagrams for explaining the conventional printer: 191
The figure is a block diagram of one embodiment of the present invention, Figures 3 ('') and (1)) are diagrams showing the contents of the print code buffer and printing examples in Figure 2, and Figures 4 and 5 are diagrams showing the contents of the print code buffer in Figure 3. It is a flowchart for explaining the operation of the figure. 1]...Print code back, 12.13...Print instruction code register, 1/I, 16, 17
, 19 - ruled line buffer, 15. 18... data buffer, 20... buffer control section, 2], 22.
...Image buffer, 23°24...Print instruction register, 25...Printer mechanism. Agent Patent Attorney Makoto Suzuki -2111gu,su/ Figure 1 1. ) (C)

Claims (1)

[Claims] 1. In a dot printer that uses a print head that does not have a dot dedicated to printing ruled lines, character data and ruled line data,
A print instruction code, etc. is stored as one line of print data in a print code buffer, and when printing, one line of print data is read from the print code buffer, the character data and ruled line data are taken into separate buffers, and the ruled line data is stored as one line of print data. , character data is printed, but if there is a carriage return code (cn, code), the print data of the next line is prefetched from the print code buffer, and ruled line printing and character printing are repeated until the CR code is exhausted. A printer control method featuring: