Determine values in each row at end of each Instruction in program sequence: 1. Memory Address...
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Determine values in each row at end of each Instruction in program sequence: 1. Memory Address 2. Stack pointer (SP) 3. Top of stack 4. Registers A&B 5. Stack contents 1. Memory Machine Address (S) Code (S) de ORG $2000 2000 CF 70 0A LDS #$700A 2086 21 LDAA #$21 Beste PSHA LDAA # $12 LDAB #$34 JSR SUBR PULA 36 86 12 C6 34 8009 16 80 00 78205 200D 32 www 3B A6 A3 8B 04 6A BC 3A 3D Instruction ORG $8000 SUBR: PSHD LDAA 4,+SP ADDA #$04 STAA 4,SP- PULD RTS ** 2. SP 3.Top of 4. (S) stack (S) A (S) B (S) 700A AA 00 00 700A BB 21 Auco 5. Memory Address (S) Data (S) 7000 00 7001 00 7002 00 7003 00 7004 00 7005 00 7006 00 7007 7008 7009 700A AA 700B BB 888 Determine values in each row at end of each Instruction in program sequence: 1. Memory Address 2. Stack pointer (SP) 3. Top of stack 4. Registers A&B 5. Stack contents 1. Memory Machine Address (S) Code (S) de ORG $2000 2000 CF 70 0A LDS #$700A 2086 21 LDAA #$21 Beste PSHA LDAA # $12 LDAB #$34 JSR SUBR PULA 36 86 12 C6 34 8009 16 80 00 78205 200D 32 www 3B A6 A3 8B 04 6A BC 3A 3D Instruction ORG $8000 SUBR: PSHD LDAA 4,+SP ADDA #$04 STAA 4,SP- PULD RTS ** 2. SP 3.Top of 4. (S) stack (S) A (S) B (S) 700A AA 00 00 700A BB 21 Auco 5. Memory Address (S) Data (S) 7000 00 7001 00 7002 00 7003 00 7004 00 7005 00 7006 00 7007 7008 7009 700A AA 700B BB 888
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