`jmp` instruction is limited between 0-2047, so any programs longer than that fail

[sam-astro]

Describe the bug
jmp instruction is limited between 0-2047, so any programs longer than that fail

A new jmpl instruction should be added for jumping to large addresses (larger than 2047). This will use the following word as an address, rather than the 11-bit instruction area.

[Gerard Smit]

Currently J is always using the lowest 12 bits of the instruction:

Astro8-Computer/Astro8-Emulator/main.cpp

Lines 594 to 599 in 37aeb32

 { // J 
 	//cout << ("J "); 
 	//cout<<Line(DecToBinFilled(InstructionReg, 16)); 
 	//cout<<Line(DecToBinFilled(InstructionReg, 16).Substring(4, 12)); 
 	programCounter = BitRange(InstructionReg, 0, 11); 
 } 

Even though all jump instructions (JMP, JMPZ, JMPC) are also executing micro instruction IR (setting the lowest 12 bits of the instruction to the bus):

Astro8-Computer/Astro8-Emulator/main.cpp

Lines 140 to 142 in 37aeb32

 "jmp( 2=ir,j & 3=ei", // Jump <addr> 
 "jmpz( 2=ir,j | zeroflag & 3=ei", // Jump if zero <addr> 
 "jmpc( 2=ir,j | carryflag & 3=ei", // Jump if carry <addr> 

This seems like a bug in the emulator, since the README states that the bus should is used:

Astro8-Computer/README.md

Line 104 in 37aeb32

 J  : write from bus to counter current value 

If we fix the micro instruction J to use the bus instead, we can make a new instruction JMPL that does the following:

1. NOOP
2. CR read value from counter to bus
   AW write lowest 12 bits from bus to mem. addr. register
3. RM read from memory to bus at the address in mem addr. register
   AW write lowest 12 bits from bus to mem. addr. register
4. RM read from memory to bus at the address in mem addr. register
   J write from bus to counter current value
   CE enable incrementing of counter
5. EI end instruction, resets step counter to move to next instruction

This is just like the LDLGE instruction, but instead of WA we do J.

[sam-astro]

Fixed in v0.2.0, thanks!