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data Jingles; T1000S4E8EP32E4P32E8EP32E4P32E8GP32C4 data Jingles; D16P32E2P16F8FP32F8F16P32F8EP32E8 data Jingles; E16P32G8GFDP32C2 Cucaracha = T2500S4C16CCP64F8P64A7C16CCP64F8P64 Cucaracha = Cucaracha+ A7F16F8P64E16EP64D16DP64C4 Cucaracha = Cucaracha+ P32S4C16CCP64E8P64G7C16CCP64 Cucaracha = Cucaracha+ E8P64G7S5C8D16P64C16S4A#16 Cucaracha = Cucaracha+ AGP64F8P4 playsong Jingles[0] playsong Jingles[1] playsong Jingles[2] Delay 1000 \playsong Cucaracha
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Input Expr,Var Input Expr,VarA[ExprN{,ExprN...}] Prints the text resulting from Expr and waits for input that will be assigned to Var. If Expr results in a blank string a > is printed as the prompt. If Expr results in a numeric it will be converted to a string. In the second format an array element is speci ed and will be assigned the input. The array element must be within the dimension of VarA. WaitKey {ExprS,}Var Prints the text resulting from ExprS and waits for a key to be pressed. The text is printed just above the input area at the bottom of the Terminal Screen. When a key is pressed its ASCII code value is assigned to Var. If ExprS is not given then Press Any Key is printed as a prompt. The code assigned to Var is the ASCII code of the key pressed so if you press a then 97 will be assigned, while Shift+a (i.e., A ) will assign 65. Other key combinations like Ctrl+a or Alt+a will return non-ASCII codes if valid. Keys like Up-arrow, Home, and so on do not return any values. For these keys see the command GetKeyE. Also see the functions Ascii() and Char() which convert between the ASCII code and string characters. GetKey Var Does not cause the program to pause and wait for a key, but if a key is pressed then its ASCII code value is assigned to Var, otherwise a 0 is stored. This is useful in loops that need to be exited if a key is pressed but without halting the loop until a key is pressed. The code assigned to Var is the ASCII code of the key pressed so if you press a then 97 will be assigned, while Shift+a (i.e., A ) will give 65. Other key combinations like Ctrl+a or Alt+a will return non-ASCII codes if valid. Keys like Up-arrow, Home, and so on do not return any values. For these keys see the command GetKeyE. Also see the functions Ascii() and Char() which convert between the ASCII code and string characters. If you use this command within a loop you may get too many repetitions of the key due to the speed of the system not giving the user time to release the key before it is read many times as being a new key press. This can be counteracted by using the Delay command to delay between successive reads of the key (150 to 200 milliseconds might be suf cient). Or you can use looping to wait until the key is released (Var will be zero). GetKeyE Var Does not cause the program to pause and wait for a key, but if a key is pressed then a code value corresponding to the key is assigned to Var, otherwise a 0 is stored. This is useful in loops that need to be exited if a key is pressed but without halting the loop until a key is pressed and also for detecting key presses of keys like up and down arrows and so on.
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This command will return the code of the key pressed (not its ASCII code). The keys Shift, Alt, and Ctrl have their own codes if pressed on their own. However, if these keys are pressed in combination with another key then the code of the key alone is added to 1000 (Shift), 2000 (Alt), or 4000 (Ctrl). For example, if you press a alone you will get 65 inside Var (notice that this is the ASCII code for A not a ). If you press Shift+a you will get 1065, Alt+a will give 2065, Ctrl+a will give 4065, Alt+Shift+a will give 3065, Ctrl+Alt+a will give 6065, and so on. This command allows you to examine more keys than in the command GetKey. Keys like Up-arrow will return a value. The codes returned by this command must not be converted to characters using the Char() function since they are not ASCII codes. Rather, they are codes that represent the key inside the operating system (see the Constants help page within the IDE). This command may not return a value for certain combinations of keys pressed if they correspond to key combinations that have a meaning for the operating system. So for example Ctrl+Esc will cause the Windows Start menu to re up and will not be possible to detect within your program. Also certain function keys and Ctrl+ combinations have a meaning within RobotBASIC and will not be passed to your program. So for example the function key F1 will bring up the help window of RobotBASIC and thus will not return a value for your program. To nd out what key code will be returned for a particular key you can experiment with the keys using the program below (also see the Constants help page within the IDE):
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