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21:0821:08, 6 June 2026 Zilog Z80 Instruction Set - CPU Control Group (hist | edit) [3,399 bytes] Inari (talk | contribs) (Created page with "The '''General-Purpose and CPU Control Group''' for the Zilog Z80 Instruction Set provides operations for controlling the CPU's state and miscellaneous instructions. == NOP == '''Operation''' — '''Op Code''' NOP {|class="wikitable" style="text-align:center" |- ! 7 || 6 || 5 || 4 || 3 || 2 || 1 || 0 || |- | 0 || 0 || 0 || 0 || 0 || 0 || 0 || 0 || 00 |} '''Operands''' None. '''Description''' The CPU performs no operation during the machine cycle. '''Con...")
21:0621:06, 6 June 2026 Zilog Z80 Instruction Set - Exchange and Block Transfer (hist | edit) [206 bytes] Inari (talk | contribs) (Created page with "The '''Exchange, Block Transfer and Search Group''' for the Zilog Z80 Instruction Set provides operations for a wide variety of miscellaneous functions such as exchanging the value of registers to block transfers of data to and from I/O.")
17:0717:07, 6 June 2026 Zilog Z80 Instruction Set - 16-bit Arithmetic Group (hist | edit) [210 bytes] Inari (talk | contribs) (Created page with "The '''16-bit Arithmetic Group''' for the Zilog Z80 Instruction Set provides operations for basic arithmetic functions such as addition, subtraction, bitwise operations on 16-bit, or word, operands.") Tag: Visual edit
16:4116:41, 6 June 2026 Zilog Z80 Instruction Set - 8-bit Arithmetic Group (hist | edit) [3,933 bytes] Inari (talk | contribs) (Created page with "The '''8-bit Arithmetic Group''' for the Zilog Z80 Instruction Set provides operations for basic arithmetic functions such as addition, subtraction, bitwise operations on 8-bit, or byte, operands. The Zilog Z180 does offer 8-bit multiplication operations which can be found in this document. == ADD A, r == '''Operation''' A ← A + r '''Op Code''' ADD {| class="wikitable" style="text-align:center" |- ! 7 || 6 || 5 || 4 || 3 || 2 || 1 || 0 |- | 1 || 0 |...") Tag: Visual edit
16:2816:28, 6 June 2026 Zilog Z80 Instruction Set - 16-bit Load Group (hist | edit) [5,243 bytes] Inari (talk | contribs) (Created page with "The '''16-bit Load Group''' for the Zilog Z80 Instruction Set provides operations for moving 16-bit data, or words, between registers and memory locations. == LD ss, nn == '''Operation''' ss ← nn '''Op Code''' LD {| class="wikitable" style="text-align:center" ! 7 || 6 || 5 || 4 || 3 || 2 || 1 || 0 |- |0 |0 | colspan="2" |← ss → |0 |0 |0 |1 |- | colspan="8" |← n → |- | colspan="8" |← n → |} '''Operands''' dd, nn '''Description''' The 2-byte intege...") Tag: Visual edit
16:2216:22, 6 June 2026 Zilog Z80 Instruction Set - 8-bit Load Group (hist | edit) [15,713 bytes] Inari (talk | contribs) (Created page with " The '''8-bit Load Group''' for the Zilog Z80 Instruction Set provides operations for moving 8-bit data between registers and memory locations. == LD r, r′ == '''Operation''' r, ← r′ '''Op Code''' LD {| class="wikitable" style="text-align:center" ! 7 || 6 || 5 || 4 || 3 || 2 || 1 || 0 |- | 0 || 1 ||colspan="3"| ← r → ||colspan="3"| ← r’ → |} '''Operands''' r, r′ '''Description''' The contents of any register r' are loaded to any other registe...") Tag: Visual edit

04:0204:02, 1 June 2026 Zilog Z80 Instruction Set (hist | edit) [24,012 bytes] Inari (talk | contribs) (Initial setup of page)

6 June 2026

1 June 2026