PockEmul 2.0.0 – New subscription model

New Subscription model

With the objective of securing the future of PockEmul, we decided to transform its economic model towards a monthly subscription system giving access to all emulated models and features.

You are not required to migrate to the subscription model. All your purchased packages will remain ACTIVE and MAINTENANCE is guaranteed.

This new economic model will be effective on October the 1, 2020.

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National JR-800 Documentation

Hardware specifications

CPU

  • 63A01 (CMOS 8-bit CPU) (6801 family extended instruction set)
  • CPU clock 4. 9152MHz
  • System Clock 1. 2288MHz

Memory

  • ROM CMOS 20K byte standard mounting Up to 32K bytes can be added in the body
  • RAM CMOS 16K byte standard mounting up to 24K bytes can be added in the body with battery backup
  • DISPLAY RAM CMOS 1552 bytes (in LCD driver)

Programming languageJR-800BASIC
Constant● Numerical constant constant -32,768~32,768

Single-digit constant 10-digit exponential

range -154-153 double-precision

constant 20-digit exponential range -154-153 16-decimal constant &h

8 progressive constant &o

● Character constant up to 255 characters
Variable● Valid number of characters 2 digits
● numeric variable :
integer type : % single precision
real form! (Exponential E)
double precision real form #(exponential D)
● character variables $
system variable timer variables, carsonal variables, error variables
● Array dimensions are within the memory range unlimited subscript is 0~ memory range
Statement● 1 line of characters up to 128 characters
● Line number 1 to 65534
Virtual Screen● Horizontal 32-254 digits
● Vertical 8-255 lines
Operation● Arithmetic +,-,*,
● Relationship operation =,<>>>,
Program Management● Store eight types of programs independently with battery backup
● menu function (auto-start possible)
User settings with POKE● User-defined characters (32 species)
● Format specification (decimal number, integer number of digits specified)
● Scroll margin setting, key-click sound release, etc.
Continue reading “National JR-800 Documentation”