Contents (Continued)

Appendix B - Operating System

33

Operating System Listing

33

Operating System Register Table

34

Operating System Summary

34

Appendix C - CHIP-8 Interpreter

35

CHIP-8 Interpreter Listing

35

CHIP-8 Memory Map

36

CDPI802 Register Use for CHIP-8 Interpreter

36

CHIP-8/Operating System Standard Digit Display Format

37

CHIP-8 User Notes

38

Appendix D - Video Games

39

1. VIP Kaleidoscope

40

2. VIP Video Display Drawing Game

41

3. VIP Wipe Off

42

4. VIP Space Intercept

43

5. VIP 4096-Bit Picture

44

6. VIP Figure Shooting at Moving Target

45

7. VIP Tick-Tack-Toe Game

46

8. VIP Spooky Spot

48

9. VIP Jackpot

49

10. VIP Snake Race

51

11. VIP Card Matching Game

52

12. VIP Armored Vehicle Clash

54

13. VIP Hi-Lo

56

14. VIP Hex Reflex

57

15. VIP Dot-Dash

58

16. VIP A-Mazing

60

17. VIP Deduce

62

18. VIP Shooting Stars

63

19. VIP Strike-9

64

20. VIP Card Game (like the well-known acey-ducey)

66

Appendix E - Logic Diagrams

67

Fig. E-1 - Microprocessor and Display Interface Circuits

68

Fig. E-2 - ROM Circuits and Expansion Interface

69

Fig. E-3 - Keyboard, Decoding, Audio Oscillator, and Cassette

 

Interface Circuits

70

Fig. E-4 - RAM Circuits

71

Fig. E-5 - Power Supply Circuit and Byte Input/Otaput Interface

72

Appendix F - Board Layout, Parts List, and Assembly Instructions

73

1. Printed Circuit Board Layout

74

2. Parts List for RCA COSMAC VIP CDP18S711

75

3. COSMAC VIP Expansion Notes

77

a. Soldering the PC Board

77

b. Voltage Regulator Option

77

c. Additional 2048-Byte RAM Option

77

Appendix G - Data Sheets

79

CDP 1832 512-Word x 8-Bit Static Read-Only Memory

81

CDP 1861 Video Display Controller (Video Interface)

85

CDP 1802 COSMAC Microprocessor

97

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RCA CDP18S711 manual Contents Continued