Z80_Asm Z80 Asm

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Z-80 ASSEMBLER DISK BLOCK ORGANIZATION BLK NUM BLK NUM DESCRIPTION (Relative (currently) to Abase) o 12 Register definitions 1 13 Special functions (including logical AND, OR) 2 14 8080 OP Codes 3 15 8080 OP Codes 4 16 Z-80 OP Codes ALA Rust 5 17 Z-80 OP Codes ALA TDL 6 18 Z-80 OP Codes ALA TDL 7 19 Z-80 OP Codes ALA TDL 8 20 Z-80 OP Codes ALA Rust ~ 9 21 Load List (Load this to get assembler) 23 Test instructions set TESTO 24 See Also TDL listings TEST 1 25 26 TEST2 TEST3
~8 bit reg) = A, B, C, D, E, H, L, M (M is memory address pointed to by HL) <from reg 8) = 8 bit reg ~to reg 8) = 8 bit reg <16 bit registers) = BC, DE, HL, SP, X, V referred to as: B, D, H, SP, X, V (prog status word) = PSW {index reg) = X, V <disp) = 8 bit value -displacement <nn) = 16 bit value <n) = 8 bit value (B or D) = reg pair BC or DE <B, D, H, SP) = reg pair BC, DE, HL, or SP <B, D, H, PSW) = reg pair BC, DE, HL, or program status <B, D, SP, X) = reg pai r DC, DE, SP, or X <B, D, SP, V) = reg pair BC, DE, SP, or Y word (bit num) = a bit position in an 8 bit byte, where the bits are numbered from right to left 0 to 7

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