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x68000:x-basic [2014/12/09 17:08] – eidisx68000:x-basic [2019/08/27 20:45] (current) – external edit 127.0.0.1
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   *Simple sample programs and examples.   *Simple sample programs and examples.
  
----- +====== ABS ======
-|**ABS**|**Standard function**|+
  
-|  **Written expressions:**|abs <color red>**(n)**</color> |+|**Standard function**| 
 + 
 +|  **Written expressions:**|abs(<color red>**n**</color>) |
 |  **Argument:**|float | |  **Argument:**|float |
 |  **Return value:**|float | |  **Return value:**|float |
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 |  **Use cases:**| | |  **Use cases:**| |
  
----- +====== APAGE ======
-|**APAGE**|**GRAPH.FNC**|+
  
-|  **Written expressions:**|apage <color red>**(pa)**</color> |+|**GRAPH.FNC**| 
 + 
 +|  **Written expressions:**|apage(<color red>**pa**</color>) |
 |  **Argument:**|char | |  **Argument:**|char |
 |  **Returns:**|void | |  **Returns:**|void |
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 |  **Use cases:**| |  **Use cases:**|
  
----- +====== ASC ======
-|**ASC**|**Standard function**|+
  
-|  **Written expressions:**|asc <color red>**(st)**</color> |+|**Standard function**| 
 + 
 +|  **Written expressions:**|asc(<color red>**st**</color>) |
 |  **Argument:**|str | |  **Argument:**|str |
 |  **Return value:**|int | |  **Return value:**|int |
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 |  **Use cases:**| | |  **Use cases:**| |
  
----- +====== ATAN ======
-|**ATAN**|**Standard function**|+
  
-|  **Written formula:**|atan <color red>**(n)**</color> |+|**Standard function**| 
 + 
 +|  **Written formula:**|atan(<color red>**n**</color>) |
 |  **Argument:**|float | |  **Argument:**|float |
 |  **Return value:**|float | |  **Return value:**|float |
Line 87: Line 91:
 |  **Use cases:**| |  |  **Use cases:**| | 
  
----- +====== ATOF ======
-|**ATOF**|**Standard function**|+
  
-|  **Written expressions:**|atof <color red>**(st)**</color> |+|**Standard function**| 
 + 
 +|  **Written expressions:**|atof(<color red>**st**</color>) |
 |  **Argument:**|str | |  **Argument:**|str |
 |  **Return value:**|float | |  **Return value:**|float |
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 | |The space or tab characters of <color red>**st**</color> at the beginning will be ignored. In addition, there must be at least one or more digits before and after the decimal point. In addition, it must have at least one or more digits behind the e or E for exponential representation. | | |The space or tab characters of <color red>**st**</color> at the beginning will be ignored. In addition, there must be at least one or more digits before and after the decimal point. In addition, it must have at least one or more digits behind the e or E for exponential representation. |
 | |<color red>**st**</color> can not be null character. | | |<color red>**st**</color> can not be null character. |
-| |The following format of <color red>**st**</color> string can not be converted. |+| |The following format of <color red>**st**</color> string can not be converted: |
 | |**[**<color red>**Whitespace**</color>**]** **[**<color red>**sign**</color>**]** **[**<color red>**.digits**</color>**]** **[**<color red>**e or E**</color> **[**<color red>**sign**</color>**]** <color red>**digits**</color>**]** | | |**[**<color red>**Whitespace**</color>**]** **[**<color red>**sign**</color>**]** **[**<color red>**.digits**</color>**]** **[**<color red>**e or E**</color> **[**<color red>**sign**</color>**]** <color red>**digits**</color>**]** |
-| **Example:**|st = "- 2.51235e-2" | +|  **Example:**|st="-2.51235e-2" | 
-| **→**|ECVT , fcvt , gcvt |+|  **→**|ECVT , fcvt , gcvt |
  
 |<color red>**whitespace**</color> |Space or tab characters are ignored. | |<color red>**whitespace**</color> |Space or tab characters are ignored. |
 |<color red>**sign**</color> |"+" or "-" | |<color red>**sign**</color> |"+" or "-" |
 |<color red>**digits**</color> |Decimal numbers which consist of 1 or more, and don't have anything in front of the decimal point, require at least one number behind the decimal point.  | |<color red>**digits**</color> |Decimal numbers which consist of 1 or more, and don't have anything in front of the decimal point, require at least one number behind the decimal point.  |
-|Index |Index consists of "<color red>**e**</color>" or "<color red>**E**</color>" and decimal numbers with a sign. |+|index |Index consists of "<color red>**e**</color>" or "<color red>**E**</color>" and decimal numbers with a sign. |
  
 +====== ATOI ======
 +
 +|**Standard function**|
 +
 +|  **Written expressions:**|atoi(<color red>**st**</color>) |
 +|  **Argument:**|str |
 +|  **Return value:**|int |
 +|  <color red>**Function:**</color>|Converts <color red>**st**</color> string to int type number. <color red>**st**</color> is a sequence of characters that can be converted (0~9, +, -) to int type number. The conversion is aborted if there is a character for which the int type value can not be determined. |
 +| |Space or tab characters at the begining of <color red>**st**</color> will be ignored. <color red>**st**</color> also requires at least one or more digits. |
 +| |<color red>**st**</color> can not be null character. |
 +| |<color red>**st**</color> string of the following format can be converted: |
 +| |**[**<color red>**whitespace**</color>**] [**<color red>**sign**</color>**] **<color red>**digits**</color> |
 +|  **→**|itoa |
 +
 +|<color red>**whitespace**</color> |Space or tab characters are ignored. |
 +|<color red>**sign**</color> |"+" or "-" |
 +|<color red>**digits**</color> |One or more decimal digits. |
 +
 +====== AUTO ======
 +
 +|**Command**|
 +
 +|  **Written expressions:**|auto **[**<color red>**line number**</color>**] [**<color red>**incremental**</color>**]** |
 +|  **Abbreviation:**|a. |
 +|  <color red>**Function:**</color>|Automatically genetares <color red>**line number**</color> at the beginning of each program line. |
 +| |You can omit the <color red>**incremental switch**</color> but in that case lines will automatically increment by 10 |
 +| |If a line number overlaps with existing line, the contents of the line will be displayed. In this case you can press return key without typing anything and it will not change the contents of the line. |
 +| |Press BREAK key (or CTRL+C) to release the auto function. The current program line will not be saved. |
 +
 +|For example: | |
 +|auto |line numbers will begin with 10, 20, 30 (the same as auto 10,10) |
 +|auto 100 |line numbers will begin with 100, 110, 120 |
 +|auto ,5 |line numbers will begin with 10, 15, 20 |
 +
 +====== A_PLAY ======
 +
 +|**AUDIO.FNC**|
 +
 +|  **Written expressions:**|a_play(<color red>**na**</color>,<color red>**sf**</color>,<color red>**md**</color>**[**,<color red>**lng**</color>**]**) |
 +|  **Argument:**|Numeric one-dimensional array name (<color red>**na**</color>),char(<color red>**sf**</color>,<color red>**md**</color>,<color red>**lng**</color>) |
 +|  **Return value:**|void |
 +|  <color red>**Function:**</color>|Plays PCM data of specified <color red>**na**</color> array. |
 +| |na ... Number of one-dimensional array name that contains the PCM data. |
 +| |sf ... sampling frequency |
 +| |<file>
 +0 ... 3.9KHz
 +1 ... 5.2KHz
 +2 ... 7.8KHz
 +3 ... 10.4KHz
 +4 ... 15.6KHz
 +</file> |
 +| |As a general rule, use the same sampling frequency <color red>**sf**</color> for playback and when recording with a_rec function, if you want to play music. The sound will not play normally if other frequencies are used. |
 +| |md ... audio output mode (audio signal output mode from the audio output terminal of the computer) |
 +| |<file>
 +0 ... silence
 +1 ... left channel
 +2 ... right channel
 +3 ... stereo output
 +</file> |
 +| |lng ... length from 0 index of na array to play |
 +| |Values that can be used as <color red>**lng**</color> are from 1 to subscript+1 of the declared <color red>**na**</color> array. |
 +| |All PCM data will be played if <color red>**lng**</color> is omitted. |
 +|  **Use cases:**| |
  
x68000/x-basic.1418108888.txt.gz · Last modified: 2019/08/27 20:44 (external edit)