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Create the page "Z80 Opcodes" on this wiki! See also the search results found.

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  • Z80:Opcodes:RRD
    Like [[Z80:Opcodes:RLD|RLD]], except rotation is rightward. ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]]
    756 bytes (118 words) - 22:15, 5 February 2016
  • Z80:Opcodes:RLCA
    Performs [[Z80:Opcodes:RLC|RLC A]] much quicker, and modifies the flags differently. ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]]
    859 bytes (136 words) - 22:36, 5 February 2016
  • Z80:Opcodes:OUTD
    ...pcodes:OUT|OUT]],[[Z80:Opcodes:OTDR|OTDR]],[[Z80:Opcodes:OUTI|OUTI]],[[Z80:Opcodes:OTIR|OTIR]] [[Category:Z80 Assembly]]
    831 bytes (134 words) - 22:00, 5 February 2016
  • Z80:Opcodes
    Here is a page for instructions that you can use in a z80 processor. Click on the instruction to gain more information about the spec * [[Z80:Opcodes:ADC|ADC]]
    2 KB (309 words) - 22:21, 5 February 2016
  • Z80:Opcodes:RLA
    Performs an [[Z80:Opcodes:RL|RL A]], but is much faster and S, Z, and P/V flags are preserved. ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]]
    901 bytes (150 words) - 22:42, 5 February 2016
  • Z80:Opcodes:EI
    ...be set to interrupt mode 1 (OS interrupts) or interrupt mode 2 using [[Z80:Opcodes:IM|IM]]. Be sure to re-enable interrupt mode 1 before returning to the OS. ...:Opcodes:IM|IM]],[[Z80:Opcodes:RETI|RETI]],[[Z80:Opcodes:RETN|RETN]],[[Z80:Opcodes:RST|RST]]
    542 bytes (76 words) - 22:07, 5 February 2016
  • Z80:Opcodes:RRCA
    Performs a [[Z80:Opcodes:RRC|RRC A]] faster and modifies the flags differently. ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]]
    899 bytes (144 words) - 22:29, 5 February 2016
  • Z80:Opcodes:IM
    Not used by TI calculators, but means that an external device plugged into a z80 device generates the interrupt. ...and 150). Every time an interrupt is encountered, the OS performs an [[Z80:Opcodes:RST|RST]] $28.
    2 KB (248 words) - 22:15, 5 February 2016
  • Z80:Opcodes:SET
    ...[Z80:Opcodes:OR|OR]],[[Z80:Opcodes:RES|RES]],[[Z80:Opcodes:SCF|SCF]],[[Z80:Opcodes:XOR|XOR]] [[Category:Z80 Assembly]]
    899 bytes (142 words) - 22:37, 5 February 2016
  • Z80:Opcodes:RST
    ...80:Opcodes:IM|IM]],[[Z80:Opcodes:RET|RET]],[[Z80:Opcodes:RETI|RETI]],[[Z80:Opcodes:RETN|RETN]] [[Category:Z80 Assembly]]
    1,013 bytes (146 words) - 22:00, 5 February 2016
  • Z80:Opcodes:CALL
    ...[Z80:Opcodes:DJNZ|DJNZ]],[[Z80:Opcodes:JP|JP]],[[Z80:Opcodes:JR|JR]],[[Z80:Opcodes:RET|RET]] [[Category:Z80 Assembly]]
    2 KB (249 words) - 22:22, 5 February 2016
  • Z80:Opcodes:RET
    ...pcodes:CPI|CPI]],[[Z80:Opcodes:CPIR|CPIR]],[[Z80:Opcodes:RETI|RETI]],[[Z80:Opcodes:RETN|RETN]] [[Category:Z80 Assembly]]
    1 KB (211 words) - 22:43, 5 February 2016
  • Z80:Opcodes:OTIR
    ...pcodes:OUT|OUT]],[[Z80:Opcodes:OUTD|OUTD]],[[Z80:Opcodes:OTDR|OTDR]],[[Z80:Opcodes:OUTI|OUTI]] [[Category:Z80 Assembly]]
    850 bytes (132 words) - 22:07, 5 February 2016
  • Z80:Opcodes:NEG
    [[Z80:Opcodes:CPL|CPL]],[[Z80:Opcodes:SUB|SUB]] [[Category:Z80 Assembly]]
    677 bytes (97 words) - 22:30, 5 February 2016
  • Z80:Opcodes:INI
    ...pcodes:OTIR|OTIR]],[[Z80:Opcodes:OUT|OUT]],[[Z80:Opcodes:OUTD|OUTD]],[[Z80:Opcodes:OUTI|OUTI]] [[Category:Z80 Assembly]]
    866 bytes (137 words) - 22:16, 5 February 2016
  • Z80:Opcodes:RRA
    Performs a [[Z80:Opcodes:RR|RR A]] faster, and modifies the flags differently. ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]]
    900 bytes (144 words) - 22:37, 5 February 2016
  • Z80:Opcodes:INC
    ...80:Opcodes:DAA|DAA]],[[Z80:Opcodes:DEC|DEC]],[[Z80:Opcodes:SBC|SBC]],[[Z80:Opcodes:SUB|SUB]] [[Category:Z80 Assembly]]
    1 KB (193 words) - 22:00, 5 February 2016
  • Z80:Opcodes:DAA
    ...80:Opcodes:DEC|DEC]],[[Z80:Opcodes:INC|INC]],[[Z80:Opcodes:SBC|SBC]],[[Z80:Opcodes:SUB|SUB]] [[Category:Z80 Assembly]]
    1 KB (195 words) - 22:22, 5 February 2016
  • Z80:Opcodes:LDI
    [[Z80:Opcodes:LD|LD]],[[Z80:Opcodes:LDD|LDD]],[[Z80:Opcodes:LDDR|LDDR]],[[Z80:Opcodes:LDIR|LDIR]] [[Category:Z80 Assembly]]
    656 bytes (101 words) - 22:43, 5 February 2016
  • Z80:Opcodes:OTDR
    ...pcodes:OUT|OUT]],[[Z80:Opcodes:OUTD|OUTD]],[[Z80:Opcodes:OUTI|OUTI]],[[Z80:Opcodes:OTIR|OTIR]] [[Category:Z80 Assembly]]
    841 bytes (131 words) - 22:08, 5 February 2016

Page text matches

  • Z80:Opcode Reference Chart
    ...inc c]] || [[Z80:Opcodes:DEC|dec c]] || [[Z80:Opcodes:LD|ld c,x]] || [[Z80:Opcodes:RRCA|rrca]] ...inc e]] || [[Z80:Opcodes:DEC|dec e]] || [[Z80:Opcodes:LD|ld e,x]] || [[Z80:Opcodes:RRA|rra]]
    19 KB (3,362 words) - 08:19, 6 February 2016
  • Z80:Opcodes
    Here is a page for instructions that you can use in a z80 processor. Click on the instruction to gain more information about the spec * [[Z80:Opcodes:ADC|ADC]]
    2 KB (309 words) - 22:21, 5 February 2016
  • Z80:Flags and Bit-Level Instructions
    ...ber in [[Z80:Control Structures|Control Structures]] how we used the [[Z80:Opcodes:CP|CP]] instruction? This instruction subtracts the operand from the accumu ...lags in some way or another. For a list of system flags you can use, see [[Z80:System Flags|here]].
    12 KB (2,030 words) - 08:02, 6 February 2016
  • Z80:Main Page
    '''[[z80:Tutorials|Tutorials]]''' '''[[z80:Appendices|Appendices]]'''
    4 KB (510 words) - 08:18, 6 February 2016
  • Z80:Direct Input/Output
    ...ports. For a list of ports and the corresponding hardware item, see this [[Z80:Ports|page]]. ...NIR|INIR]], [[Z80:Opcodes:OTIR|OTIR]], [[Z80:Opcodes:INDR|INDR]], or [[Z80:Opcodes:OTDR|OTDR]].
    17 KB (2,951 words) - 08:25, 6 February 2016
  • Z80:Control Structures
    * Iambian's [http://iambianet.freewebpage.org/t/asm06.html Some (z80) Assembly Required Controlling Flow] ...real world. So, we need to apply this idea of conditions into programming. Z80 has 2 uses conditions:
    10 KB (1,600 words) - 07:57, 6 February 2016
  • Z80:Appendices
    === [[Z80:Buffer Tables|Buffer Tables]] === === [[Z80:Character Maps|Character Maps]] ===
    2 KB (212 words) - 07:40, 6 February 2016
  • Z80:Opcodes:SLL
    An "undocumented" instruction. Functions like [[Z80:Opcodes:SLA|SLA]], except a 1 is inserted into the low bit. r denotes 8-bit register. IX and IY values assumed from [[Z80:Opcodes:SLA|SLA]]. Needs confirmation.
    1 KB (167 words) - 22:09, 5 February 2016
  • Z80:Interrupts
    ...pts: hardware and software. Software interrupts are triggered by the [[Z80:Opcodes:RST|RST]] command, and won't be discussed in this tutorial. Examples of har * [[Z80:Grey Scale|grayscale]]
    7 KB (1,090 words) - 06:16, 5 February 2016
  • Z80:Opcodes:RRD
    Like [[Z80:Opcodes:RLD|RLD]], except rotation is rightward. ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]]
    756 bytes (118 words) - 22:15, 5 February 2016
  • Z80:Opcodes:SRL
    Like [[Z80:Opcodes:SRA|SRA]], except a 0 is put into bit 7. The bits are all shifted right, wi ...pcodes:RRD|RRD]],[[Z80:Opcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]]
    1 KB (183 words) - 22:28, 5 February 2016
  • Z80:Opcodes:RRCA
    Performs a [[Z80:Opcodes:RRC|RRC A]] faster and modifies the flags differently. ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]]
    899 bytes (144 words) - 22:29, 5 February 2016
  • Z80:Opcodes:RLCA
    Performs [[Z80:Opcodes:RLC|RLC A]] much quicker, and modifies the flags differently. ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]]
    859 bytes (136 words) - 22:36, 5 February 2016
  • Z80:Opcodes:RRA
    Performs a [[Z80:Opcodes:RR|RR A]] faster, and modifies the flags differently. ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]]
    900 bytes (144 words) - 22:37, 5 February 2016
  • Z80:Opcodes:RLA
    Performs an [[Z80:Opcodes:RL|RL A]], but is much faster and S, Z, and P/V flags are preserved. ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]]
    901 bytes (150 words) - 22:42, 5 February 2016
  • Z80:Opcodes:RLC
    ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]] [[Category:Z80 Assembly]]
    1 KB (190 words) - 22:24, 5 February 2016
  • Z80:Opcodes:RRC
    ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]] [[Category:Z80 Assembly]]
    1 KB (199 words) - 22:33, 5 February 2016
  • Z80:Opcodes:RL
    ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]] [[Category:Z80 Assembly]]
    1 KB (208 words) - 22:33, 5 February 2016
  • Z80:Opcodes:BIT
    ...80:Opcodes:RES|RES]],[[Z80:Opcodes:SCF|SCF]],[[Z80:Opcodes:SET|SET]],[[Z80:Opcodes:XOR|XOR]] [[Category:Z80 Assembly]]
    1 KB (224 words) - 22:37, 5 February 2016
  • Z80:Opcodes:RR
    ...pcodes:SLA|SLA]],[[Z80:Opcodes:SLL|SLL/SL1]],[[Z80:Opcodes:SRA|SRA]],[[Z80:Opcodes:SRL|SRL]] [[Category:Z80 Assembly]]
    1 KB (202 words) - 22:08, 5 February 2016

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