JPH03192398A - Electronic musical instrument - Google Patents

Abstract

PURPOSE:To improve the operability by reading musical sound control information which is assigned to an operation element out of a storage means selectively and performing musical sound control according to the read musical sound control information, and thus assigning many pieces of musical sound control information with a small number of operation elements. CONSTITUTION:The electronic musical instrument performs various data processes which are required for the musical sound control based upon the operation of a keyboard 2 and a function selection part 4 by using a CPU 8, a program memory 10, a data memory 12, a work and data memory 14, a timer 16, etc. The program memory 10 is stored with a control program for necessary musical sound control, the data memory 12 is stored with musical sound control data required for the musical sound control such as parameters required for the musical sound control, and the work and data memory 4 is stored with data used in the course of arithmetic by the CPU 8. The function selection part 4 is provided with a timbre selection switch 41 for selecting musical sound control information and plural white buttons WB as representative operation elements to which selected musical sound control information is assigned.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electronic musical instrument equipped with an operator such as a white button that can set a plurality of musical tone control information such as timbre.

[Prior Art] Generally, electronic musical instruments are provided with a tone selection switch for selecting tone data representing a plurality of tones and a function selection switch for selecting various effects to be applied to the selected tone. It is being Therefore, in electronic musical instruments, selection switches are installed on the operation panel surface to select tones, effects, and other musical tone control information, but the musical tone control information is limited by the number of switches, so the musical tone control information Increasing the number of selection switches will result in a proportional increase in the number of selection switches. The sounds that electronic musical instruments are trying to reproduce far exceed those of natural musical instruments, and when adding other functions such as effects to them, the number of selection switches becomes extremely large, and it takes skill to operate them. It takes
This causes inconveniences such as performance errors.

In addition, for electronic musical instruments that have a keyboard, there is a
Alternatively, two or more front groups are provided, and various musical tone control information such as timbre and effects can be individually selected for each front group. Therefore, even in an electronic musical instrument having such a keyboard, a selection means is required for each front group, and an increase in the number of selection switches causes the same inconvenience.

[Problem to be solved by the invention]

Incidentally, in such an electronic musical instrument, a white button is provided as an operator to be operated during performance in addition to a selection switch for selecting a plurality of musical tone control information, and musical tone control information such as tone color etc. is selected in the storage means in advance. By storing the information and assigning it to the white button, a plurality of pieces of pre-selected musical tone control information can be selected using the white button during performance.

In such an electronic musical instrument, by distinguishing between the storage of musical tone control information such as countless tones and the musical tone control information used for performance, a wide range of musical tone control information can be prepared, and
Operability is improved because no skill is required to select musical tone control information.

In order to accommodate a large number of tones and effects as mentioned above, an example of an electronic musical instrument that makes it possible to select a plurality of musical tone control information as a combination using a limited number of operators is disclosed in Japanese Patent Application No. 60-17602. "Electronic musical instruments" (Japanese Patent Publication No. 1986-
176991) etc.

In electronic musical instruments that allow the selection of musical tone control information, arbitrary musical tone control information can be assigned to the white button, so its operability can be improved depending on the skill level of the player, allowing for excellent performances. There are advantages to being able to
Since it is not easy to recognize which musical tone control information is assigned to the white button, there is a drawback that operability is impaired.

Furthermore, only one set of musical tone control information can be assigned to one white button, and in order to allocate a large number of musical tone control information sets, it is necessary to prepare as many white buttons as the number of musical tone control information sets.

SUMMARY OF THE INVENTION Therefore, a first object of the present invention is to provide an electronic musical instrument that facilitates the identification of assigned musical tone control information and improves operability by allowing a large number of musical tone control information to be assigned with a small number of white buttons. shall be.

A second object of the present invention is to provide an electronic musical instrument with improved operability by displaying musical tone control information selected by operating an operator.

[Means to solve the problem]

(Claim 1) That is, the electronic musical instrument of the present invention includes an operator (white button WB) to which a plurality of desired musical tone control information can be assigned.
), and a storage means (work and data R
AM14), and a control means (CP) that selectively reads out the musical tone control information and performs musical tone control every time the operator is operated.
U8, program ROM10).

(Claim 2) The electronic musical instrument of the present invention also provides a display unit (display unit) that displays the musical tone control information based on the display control output read by the control unit in order to determine the assigned musical tone control information. 6).

[For production]

(Claim 1) One or more pieces of musical tone control information to be selected are assigned to each operator, and a storage means is installed corresponding to this operator, and this storage means includes information about one or more pieces of musical tone control information to be selected. A plurality of pieces of musical tone control information such as the selected tone colors are stored. Therefore, each time a controller is operated, the musical tone control information assigned to that controller is selectively read out from the storage means.
Musical tone control is performed in accordance with the read musical tone control information.

(Claim 2) Further, the control means can obtain a display control output according to the musical tone control information read out each time the operator is operated, and the display means can display a musical tone control output corresponding to the operated operator. Information will be displayed. Therefore, the player can perform while visually checking the musical tone control information of the operator selected during the performance on the display means.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings.

A. Hardware configuration of electronic musical instrument FIG. 1 shows the hardware configuration of an embodiment of the electronic musical instrument of the present invention.

This electronic musical instrument includes a keyboard 2, a function selection section 4, a display section 6,
Central processing unit) (CPU) 8, program memory (
Program ROM)10. Data memory (data ROM
) 12, Work and data memory (Work and data R
AM) 14, a timer 16, etc. are installed, and each device such as the keyboard 2 is linked via a data bus 18. This electronic musical instrument imitates a keyboard instrument, and the keyboard 2 includes a plurality of key switches, for example, a three-level keyboard including an upper keyboard, a lower keyboard, and a pedal keyboard.

The function selection section 4 is installed as musical tone information means on the operation panel surface of the electronic musical instrument, and is installed corresponding to a plurality of musical tone control information to be selected, such as a wide variety of tones. The function selection section 4 includes a plurality of white buttons WB and a tone selection switch 4 as operators to which the musical tone control information is assigned.
1. A write (WR) switch 42 and an erase (DEL) switch 43 used for erasing data are installed.

One or more pieces of selected musical tone control information are assigned to the white button WB. The tone selection switch 41 is
The WR switch 42 is used to select a tone as the musical tone control information to be assigned to the white button WB, and the WR switch 42 is used to write (WR) musical tone control information to the storage means set corresponding to the white button WB. , DEL switch 43 is used for erasing (DEL).

The display unit 6 displays the CP based on the operation of the white button WB.
The display control output obtained from the control means such as U8 is used to display musical tone control information in the form of characters using a display element such as an LCD (liquid crystal display), and is displayed on the operation panel surface together with the function selection section 4. is set up. This display section 6 is provided with a tone name display section 61, a white button data display section 62, a status display section 63, a white button instruction display section 64, etc., and musical tone control information such as note names is displayed separately. .

In this electronic musical instrument, various data processing necessary for musical tone control based on operations of the keyboard 2 and function selection section 4 is performed by the CPU 8, the program memory 10, and the data memory 12.
, work and data memory 14, timer 16, etc. A control program for performing necessary musical tone control is stored in the program memory 10, and a data memory 1
2 stores musical tone control data necessary for musical tone control such as parameters necessary for musical tone control, and work and data memory 14 stores data in the process of calculation by the CPU 8. Further, the timer 16 is composed of an oscillation circuit that combines an oscillator and a frequency divider, or a variable frequency oscillator, etc., and generates a lock pulse CLK when necessary, and is used for interrupt processing to process a data write mode, for example. It will be done.

In addition, a tone generator (
TG) 20 is installed, and this tone generator 20 generates pitches selected by operating the keyboard 2 and function selection section 4,
A plurality of musical tone signals are formed by adding tones, effects, etc.

This musical tone signal is applied to the sound system 22 and is sounded through an amplifier and a speaker provided in the sound system 22.

B0 Function Selection Section 4 and Display Section 6 FIG. 2 shows an example of display contents of the function selection section 4 and display section 6, and FIG. 3 shows specific display contents of the display section 6.

The function selection section 4 includes a timbre selection switch for selecting musical tone control information, and a plurality of white buttons WB, which are typical operators to which the selected musical tone control information is assigned.In this embodiment, there are four white buttons WBI, WB2. , WB3
, WB4 are installed.

In the display section 6, the tone color number and tone name are displayed in the tone name display section 61. For example, as shown in FIG.
"..." along with the tone name (instrument) is displayed. In the white button data display section 62, for example, (B
), the number of tones N (WB
N) as well as a number P (WBN) indicating which data related to the number of tones is being displayed.

Here, WBN is information indicating one of the white buttons WB1 to WB4. In addition, the status display section 63 displays rNorsalJ or rTone Co1or in the normal state.
, 1 and also rWrite M in write mode.
ode” or the like is displayed.

The white button instruction display section 64 has an instruction mark "" displayed by the display element corresponding to the position of the white button WBI-WB4, and is displayed corresponding to the operated white button WBI-WB4. Instructions are given.

C. Table for storing white button data FIG. 4 shows an outline of a table as a storage means for storing white button data.

The directory of the data ROM 12 contains a plurality of white button table addresses WBTA (1), WBTA (2)...WBT corresponding to a plurality of white buttons.
A (M) is stored, and in the case of the four white buttons WBI to WB4 shown in Figure 2, the address is WBTA (1
) ~ WBTA (4).

The white button data (WBD) body contains these WB
White button data WBDI to WBDM exist corresponding to TA (1) to WBTA (M), and each white button data WBDI to WBDM has an individual number of pointers and tone codes stored N(1), N ( 2)...
- A data table representing N (M) is set, and for example, 16 areas are secured in advance for each white button data WBD1 to WBDM. By the way, the length of the white button data WBD is set to, for example, 16 bytes and is fixed, but the length does not need to be fixed.
The storage area of the memory may be secured according to the number of memories N(1) to N(M).

The pointer table is white button data WBDI-
Pointer data P(1) to P indicating one of the data stored in each WBDM
(M) is stored, and for example, for four white buttons WBI-WB4, they are P(1) to P(4).

The currently stored number data table stores the stored numbers N(1) to N(M) of the currently stored white button data WBDI to WBDM.

D. Tone code (TCC) register FIG. 5 shows an example of the structure of the tone data memory.

A timbre code indicating data of one timbre in this timbre data memory is stored in the TCC register. This timbre code has an 8-bit configuration, and the most significant bit (MSB)=1 indicates RAM data, and the MSB-0 indicates ROM data.

E. Operation of electronic musical instrument Each operation mode process will be explained with reference to a flowchart.

(a) Main Routine FIG. 6 shows the main routine, in which a performance program for the electronic musical instrument is executed.

As shown in FIG. 6, initial settings are performed in step 5001, and after this initial setting, a performance operation corresponding to the operation begins. That is, in step 5OO2, processing related to the pressing and releasing of any key on the keyboard 2 is performed, and then in step 5OO
At step 3, processing related to the tone color selection switch 41, white buttons WBI to W84, etc. of the function selection section 4 is performed, and the process returns to step 5002 again. By repeating steps 5002 to 3003, a musical tone is formed and a desired performance is realized.

(b) Subroutine FIG. 7 shows a subroutine in which tone color codes are set and displayed.

In step 3101, white buttons WBI to WB4 are selected.
When one of them is selected, tone code data WBD (WBN) is generated by drawing the table of white button table address WBTA (WBN) with pointer P (WBN) according to the number WBN of the selected white buttons WBI to WB4. , P (WBN)) is obtained, and TCC
It is stored in the register and the process moves to step 5102.

In step 5102, a timbre name display routine (FIG. 10) for displaying the timbre number and timbre name is executed, and the process moves to step 5103.

In step 5103, white button data is displayed on the white button data display section 62 as musical tone control information display. That is, in this white button data display, a display mark "ma" forming an inverted triangle is displayed on the white button data display section 62 of the display section 6 shown in FIG. 2 at a location corresponding to the value of the white button number (WBN). , Furthermore, numbers corresponding to P (WBN) and N (WBN) are displayed on the white button data display section 62, and the process returns.

(C) Key-on event processing FIG. 8 shows key-on event processing. In this key-on event processing, TCC
Tone color data is read from the data Romx2 or data RAM 14 according to the tone color code data stored in the register, and the tone color parameters are sent to the tone generator 20.

In step 5201, the selected key code is stored in the key code register KCD, and the process moves to step 5202. In step 5202, the most significant bit of the TCC register is referred to, and if it is "0", the process moves to 5203, and if it is 1, the process moves to 5204.Step 5203 or 5204
Then, tone color data is read out from the data ROM 12 or data RAM 14 using the tone color code data stored in the TCC register, tone parameter information is extracted, and the process moves to step 5205.

In step 5205, a search is made for a sound generation channel in the tone generator 20, and the tone generator 2
Assign key code KCD to sound generation channel 0. That is, after storing the assigned channel in the register ACH, the process moves to the next step 5206.

In step 5206, the tone generator 20
The key code KCD and the extracted tone parameter are sent to the CH-th channel, and the process moves to step 5OO3.

Note that in the key-off event processing, a key-off instruction is given to the corresponding sound generation channel of the tone generator 20, the sound generation is canceled, and the process ends.

(This process is well known, so illustration is omitted.) (d)
Tone Color Name Display Routine FIG. 9 shows a tone color name display routine. In this tone color name display routine, the selected tone color name is displayed.

In step 5301, after clearing the display on the tone color name display section 61, the process moves to step 5302.

In step 5302, the most significant bit of the TCC register is referred to, and if it is "0", the process moves to 5303, and if it is "°1", the process moves to 5304. Step 5303 or 5304
Then, the tone color data in the data ROM 12 or data RAM 14 is referred to by the tone color code data stored in the TCC register, and the tone color data in the data ROM 12 or data RAM 14 is
Extract tone name information from . For example, if the tone color code data represents a piano, tone color name information about that piano can be obtained.

Next, in step 5305, the TC
Displays information regarding the value of the C register, that is, information on the timbre name along with the timbre number, and returns.

(e) On-event processing of the timbre selection switch 41 FIG. 10 shows the on-event processing of the timbre selection switch 41. In this event processing, timbre data selection and timbre name display routine are performed.

In step 5401, a timbre data input routine is executed, and the timbre code obtained by operating the timbre selection switch 41 of the function selection section 4 is stored in the TCC register, and the process moves to step 5402.

In step 5402, a tone name display routine (FIG. 9) is performed to display the selected tone name in the tone name display section 61.
is executed, and the process moves to step 5403.

In step 3403, "'0" is stored in the register WBN storing the white button number, and in step 5O
Move to O2.

(f) Timer interrupt processing FIG. 11 shows timer interrupt processing.

In step 5501, it is determined whether "1" is stored in the register CNTON, and if "'1" is not stored in the register CNTON, the process returns, and "1" is stored in the register CNTON. If it is stored, proceed to step 5502.Step 3502
Then, the register CNTO value is incremented, and step 550
Move to 3.

In step 5503, the magnitude relationship between the value stored in the register CNT and the end time value ENDT is determined. For example, the end time value ENDT is set to count about 5 seconds. Therefore, if the value stored in the register CNT has not reached the end time value ENDT, the process returns, and the value stored in the register CNT does not reach the end time value ENDT.
If DT is reached, the process moves to step 5504.

In step 5504, "0" is stored in register CNTON and the process returns.

(g) On-event processing of the WR switch 42 FIG. 12 shows the on-event processing of the WR switch 42.
Insert writing processing of white button data is performed based on the on event of the R switch 42.

In step 5601, the register W representing the write mode is
After storing "1" in RON, the process moves to step 5602, and in step 5602 "°1" is stored in register WBON.
is stored, that is, it is determined whether any white button WB is pressed. Register W
If “1” is stored in BON, step 5
The process moves to step 603, and if "1" is not stored in the register WBON, the process moves to step 5604.

In step 5603, 1'' is stored in the register WR, and the process moves to step 5605. In step 5605, the write mode is displayed on the status display section 63, and then the process returns.

Further, in step 5604, the value of register WR is “l”.
”, and if the value is not 1, the process returns; if the value is 1, the process moves to step 5606.

In step 5606, it is determined whether or not the data N (WBN) currently stored in the stored number data table is °°16". If the value is not 16", the process moves to step 5607, and If the value is "'16", the process moves to step 3608. In other words, whether the data N (WBN) is "16" or not is determined by the fact that the maximum value N (WBN) of write data is set to "16", so there is a write area for new data to be written. Data N (WBN)
=16, in step 3608 the status display section 63
DAT as an indication that there is no storage area to write to.
After displaying A FULL for 1 second, step 560
Move to 9.

In step 3609, after processing the subroutine (FIG. 7), the process moves to step 5610, and the register WR
"θ" is stored in , and the process moves to step 5611. In step 5611, the normal mode is displayed on the status display section 63, and then the process returns.

Further, in step 5607, it is determined whether N (WBN) is different from the value obtained by adding 1 to the white button number data P (WBN), and if both are equal, step 5612
and if the two are not equal, step 5613
to move to. In step 5612, the TCC register is written to the address [P(WBN)+1) obtained by adding 1 to the pointer, and then the process moves to step 5614.

Also, in step 5613, register i is set to N(WBN).
After storing, the process moves to step 5615.

In step 5615, tone code data WBD (WB
The stored data of N,i) is written as WBD (WBN.

i+1), the process moves to step 5616.

In step 5616, the value of register i is decremented, and then the process moves to step 5617.

That is, this creates a free area in the register. Then, in step 5617, it is determined whether the stored value of register i and P (WBN) are different, and if they are not equal, the process returns to step 5615 and the same operation is continued; The process moves to step 3618. Then, in step 3618, the TCCCC register footer is written to WBD (P (WBN)), and the process moves to step 3614.

In step 5614, the write mode display displayed on the status display section 63 is turned off for one second and then displayed again. This allows confirmation of data writing.

Next, in step 5619, pointer P (WBN)
After incrementing the value of register N (WBN), the process moves to step 5620, and the subroutine (FIG. 7) is executed.

In such on-event processing of the WR switch 42,
For example, as shown in FIG. 13(a), if there is data Xi to be written between existing data A and existing data B in the white button data, the above step 3
Through the processing from step 601 to step 5620, the data Xi can be written between the existing data A and B, as shown in FIG. 13(b). At this time, the new pointer moves to the existing data B side.

Then, in the on event of this WR switch 42, W
Pressing the R switch 42 and the white buttons WBI to WB4 at the same time shifts to the write mode (WR=1), and after turning off the white buttons WBI to WB4, each time the WR switch 42 is pressed, the white buttons WBI to WB4 are pressed. The data of the current TCC register is sequentially written into the storage area indicated by each pointer.

(h) Off-event processing of the WR switch 42 FIG. 14 shows off-event processing of the WR switch 42. That is,
By turning off the WR switch 42, step 57
After “0” is written to register WRON at 01,
Return.

(i) White button WB on event processing first
FIG. 5 shows the on-event processing of the white button WB, in which white button number data writing processing is performed based on the on-event of each white button WB.

In step 5801, the white button number of the operated white button WB is written in the register, and the process moves to step 5802. In step 5802, "1"° is written in register WBON, and the process moves to step 5803. In step 5803, it is determined whether the value of the register representing the operation of the WR switch 42 is "1" or not.
It is determined whether the white button WB and the WR switch 42 are pressed simultaneously. If the white button WB and the WR switch 42 are pressed simultaneously in step 5803, the process moves to step 5804, and if they are not pressed simultaneously, the process moves to step 5805.

In step 5804, "1" is stored in register WR.

After writing, the process moves to step 5806, and after displaying the write mode on the status display section 63, the process moves to step 58.
Move to 07. In step 8807, the process returns after executing the subroutine (FIG. 7).

Also, in step 5805, the register CNTON is set to “
1” is stored and determines whether or not II I II
If "1" is stored, the process moves to step 3808, and if "1" is not stored, the process moves to step 5809. In step 3808, each time the white button WB is operated, sod (P (WBN) +
1 /N(WBN)) is written to the pointer P(WBN), the process moves to step 5809. In step 5809, the subroutine (FIG. 7) is executed, and the process moves to step 3810. Step 581
0, set the counter value to "OII" and store "I 11" in the register CNTON, then step 5
811. In step 5811, register W
After storing °“0”° in R, the process moves to step 3812, and the normal mode is displayed on the status display section 63.
Return.

Note that step 8800 may be inserted in the branch when CNTON in step 5805 is not "1", and "0" may be set in the value of the pointer. In this case, when the white button WB is pressed other than continuously, the first tone on the table is always set, and when the white button WB is pressed continuously, the second and third tones are called up.

(j) White button WB off event processing first
FIG. 6 shows off event processing of the white button WB. That is, due to the off event of the white button WB, "0°°" is written in the register WBON in step 5901, and then the process returns.

(g) DEL switch 43 on event processing 17th
The figure shows on-event processing of the DEL switch 43,
In this on-event processing, the white button data WBD is erased using the DEL switch 43.

In step 31001, it is determined whether "1" is stored in the register WR representing the write mode, and if "1" is not stored in the register WR, the process returns;
If "1" is stored, the process moves to step 51002. In step 31002, it is determined whether or not the memory number data N (WBN) in the register is II II II. If N (WBN) is "1", the process moves to step 31006, and N (WBN) is “
If the value is other than 1", the process moves to step 31003.

In step 51003, N (WBN) and white button number data P (WBN) stored in the pointer are
) plus 1, and if the two are equal, the process moves to step 51004, and if the two are not equal, the process moves to step 51007. Step 510
In step 04, after subtracting 1'' from the pointer P (WBN), the process moves to step 51005.Step 51005
After subtracting "°1" from N (WBN), the process moves to step 51006.

Also, in step 31007, a pointer P is placed in register j.
After setting (WBN), the process moves to step 51008. In step 51008, the tone code data WB
WBD (WBN, i) in the storage area of D (WBN, i)
+1), the process moves to step 51009. In step 51009, the value of register i is incremented, and then the process moves to step 31010. Step 310
10, the stored value of register i and N (WBN) −1
If the two are not equal, the process returns to step 51008 and the same process is continued, and if the two are equal, the process moves to step 31011. Then, in step 5IOII, 1'' is subtracted from N(WBN), and then the process moves to step 51006.

In step 31006, the subroutine (FIG. 7) is executed, and then the process returns.

In such an on-event process of the EL switch 43, for example, as shown in FIG. 18(a), if there is data Xi to be erased between data A and data B in the white button data, the above Step 31001
Through the processing in steps 51006 and 51006, (
As shown in b), the data Xi can be erased.

As explained above, by each process shown in (a) or 2), the white button WB, the tone selection switch 41
, WR switch 42, DEL switch 43, and other operators write or erase musical tone control data such as tone color to white button WB, and also write or erase musical tone control data such as tone color to white button WB.
A tone name display, a white button data display, a write mode display, etc. can be displayed on the display, and the player can operate the white button WB while checking the musical tone control information on the display section 6 and perform the desired performance. I can do it.

Therefore, musical tones having a variety of tones can be assigned to a small number of switches, and musical expressivity is enhanced due to improved operability.

In addition, in the embodiment, WBl-W is used as the white button WB.
Although the explanation has been given using the case of four B4 buttons as an example, the present invention can also be applied to cases where five or more or four or less white buttons are installed, and the information stored in the white buttons is limited to the tone. Instead, musical tone control information such as reverb and vibrato transposition may be included, and in that case, the display section will also display information corresponding to the information.

〔Effect of the invention〕

As explained above, according to the present invention, it is possible to allocate a plurality of arbitrary pieces of musical tone control information to a single operator, and the musical tone control information assigned to that operator can be assigned every time the operator is operated. The musical tone control information can be read out to perform musical tone control, and it is possible to easily realize a performance that makes full use of a large amount of musical tone control information without requiring any skill.

Further, according to the present invention, since the musical tone control information selected by the operation of the operator is displayed on the display means, the musical tone control information can be sequentially confirmed visually, and the musical tone control information selected by the operation of the operator can be sequentially confirmed. Therefore, it is possible to easily realize a performance that makes full use of a large amount of musical tone control information without requiring any skill.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of the electronic musical instrument of the present invention, FIG. 2 is a diagram showing a specific configuration example of the function selection section and display section in the electronic musical instrument shown in FIG. 1, and FIG. is a diagram showing the specific display contents of the tone number and tone name display on the display section shown in FIG. 2, FIG. 4 is a diagram showing the white button data and its storage form, and FIG. 5 is the configuration of the tone data memory. 6 is a flowchart showing the main routine processing of the electronic musical instrument; FIG. 7 is a flowchart showing the subroutine processing of the electronic musical instrument; FIG. 8 is a flowchart showing the key on event processing of the electronic musical instrument; FIG. 10 is a flowchart showing the on-event processing of the tone selection switch of the electronic musical instrument. FIG. 11 is a flowchart showing the timer interrupt processing of the electronic musical instrument. FIG. 13 is a flowchart showing insert-type writing processing by an on-event of the write switch of an electronic musical instrument; FIG. 14 is a flowchart showing off-event processing of a write switch of an electronic musical instrument. , FIG. 15 is a flowchart showing the on-event processing of the white button of the electronic musical instrument, FIG. 16 is a flowchart showing the off-event processing of the white button of the electronic musical instrument, FIG. 17 is a flowchart showing the on-event processing of the erase switch, FIG. 18 is a flowchart showing the erasing process due to the on event of the erasing switch. 4...Function selection section WB, WB 1-WB4...White button (operator) 6...Display section (display means) 8...CPU (control means) IO...Program memory (control means) )12...Data memory (storage means) Work and data memory (storage means) Tone selection switch Write switch Erase switch ( -894- \ Figure 6 (Main routine) [Example of configuration of tone data memory) Figure 7 (Subroutine) (Turn on the heavy color selection switch 41 tX) (Tone name display routine)

Claims (1)

[Scope of Claims] 1. An operator to which a plurality of pieces of desired musical tone control information can be assigned; storage means for storing one or more pieces of the musical tone control information assigned to this operator; and the operator. an electronic musical instrument, comprising: control means for selectively reading out the musical tone control information and controlling musical tones each time an electronic musical instrument is operated; 2. The electronic musical instrument according to claim 1, further comprising display means for displaying musical tone control information selected by the operation of the operator.