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8080-isa.txt

8080-isa.txt

 
 

8080.c

8080.c

 
 

Makefile

Makefile

 
 

README

README

 
 

build.sh

build.sh

 
 

cycles-table.inc

cycles-table.inc

 
 

gen-cycles.sh

gen-cycles.sh

 
 

gen-mnemonics.sh

gen-mnemonics.sh

 
 

gen-sizes.sh

gen-sizes.sh

 
 

mnemonics-table.inc

mnemonics-table.inc

 
 

sizes-table.inc

sizes-table.inc

 
 

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8080 emulator
=============

Registers
A
B
C
D
E
H
L
PC
SP

Flags

8080 characteristics
 * 64K max
 * Stack pointer
 * 16-bit register pairs (BC, DE, HL, PSW (A + flags))
 * Addressing modes
    * direct
    * register pair (HL, (loads and stores with BC & DE))
    * immediate


Features
 * Count cycles
 * I/O

References
 * https://www.pastraiser.com/cpu/i8080/i8080_opcodes.html
 * https://k1.spdns.de/Develop/Projects/zasm/Documentation/z86.htm#A

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Software version of the Intel 8080 CPU.

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