JS99'er TI-99/4A emulator written in JavaScript.

                        

                    

                    
                    

                        

                            

                                
                            

                        

                        

                            

                                
NameTypeData TypeRecord TypeRecord LengthSize

                                
                            

                        

                        

                            
                        

                    

                    
                    

                        

                            

                                

                                    
 Open Tape File

                                    
                                

                            

                        

                        

                            
                        

                    

                    
                    

                        
                        TI-99/4A keyboard
                        
                            1
                            2
                            3
                            4
                            5
                            6
                            7
                            8
                            9
                            0
                            = or +
                            Q
                            W
                            E
                            R
                            T
                            Y
                            U
                            I
                            O
                            P
                            / or -
                            A
                            S
                            D
                            F
                            G
                            H
                            J
                            K
                            L
                            ; or :
                            Enter
                            Left shift
                            Z
                            X
                            C
                            V
                            B
                            N
                            M
                            , or <
                            > or .
                            Right shift
                            Alpha lock
                            Ctrl
                            Space
                            Fctn
                        
                    

                    
                    

                        

                            

                            

                        

                        

                            
                        

                    

                    
                    

                        

                            

                                

                                    
 Sound enabled

                                    
 Speech enabled

                                    
 32K RAM expansion enabled

                                    
 SAMS enabled

                                    
 GRAM enabled

                                    
 F18A enabled

                                    
 4 sprites per line limitation enabled

                                    
 PC keyboard enabled

                                    
 Map arrow keys to Fctn+SDEX enabled

                                    
 Google drives (GDR1, GDR2, GDR3) enabled

                                    
 Pixelated image (if supported by browser)