Modern Digital Systems Design |
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Page 472
... code for the following labels . The assembled code shows the actual value the assembler assigned to the labels . Label OPCODE Operand Assembled Code FIVE EQU 5D 0005 ONES EQU OFFH 00FF SIXTY EQU 60D 003C MEMAD EQU 1800H 1800 The EQU ...
... code for the following labels . The assembled code shows the actual value the assembler assigned to the labels . Label OPCODE Operand Assembled Code FIVE EQU 5D 0005 ONES EQU OFFH 00FF SIXTY EQU 60D 003C MEMAD EQU 1800H 1800 The EQU ...
Page 473
... code . Example 9-4 Find the assembled code for the following labels . Label OPCODE DATA : ᎠᏴ Operand 10D , 01111110B HERE : ᎠᏴ TEXT : ᎠᏴ -3H , 5 * 2 ' HELP ' Assembled Code 0A7E FDOA 48454C50 Remember that any time a hexadecimal ...
... code . Example 9-4 Find the assembled code for the following labels . Label OPCODE DATA : ᎠᏴ Operand 10D , 01111110B HERE : ᎠᏴ TEXT : ᎠᏴ -3H , 5 * 2 ' HELP ' Assembled Code 0A7E FDOA 48454C50 Remember that any time a hexadecimal ...
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John Y. Cheung, Jon G. Bredeson. Label OPCODE LXI Operand H , SECD Comments ; Load HL with address SHLD REF LXI H , 1000D ; of SECD to store in REF ; Initialize MOD to 1000 SHLD MOD RET Several subroutines are written to take care of the ...
John Y. Cheung, Jon G. Bredeson. Label OPCODE LXI Operand H , SECD Comments ; Load HL with address SHLD REF LXI H , 1000D ; of SECD to store in REF ; Initialize MOD to 1000 SHLD MOD RET Several subroutines are written to take care of the ...
Contents
Design Techniques with 3 | 83 |
Advanced Design | 153 |
Sequential Circuit Design LA 5 | 221 |
Copyright | |
12 other sections not shown
Common terms and phrases
A₁ Abs.L ADDR Addressing category addressing mode arithmetic Binary code Boolean bus error bus master byte clock Computer condition codes connected d(An Data alterable data bus data register data transfer decimal decoder Design Dest device diagram Digital System DTACK Englewood Cliffs Example exception processing Excess-3 executed external flip-flop full adder function given in Figure H H H hardware implementation input instruction interrupt request Karnaugh map Label OPCODE Operand latch least significant load loop memory location microprocessor minterms MMMRRR Motorola Inc OPCODE operand Operation output performed peripheral permission of Motorola port Prentice-Hall processor program counter register pair Reprinted with permission RESET Rotate sequence sequential circuit shift shown in Figure signal significant bit source operand specified stack pointer status register stored subroutine subtraction supervisory synchronous tion transition table truth table variables voltage word zero