G-CPU_Controller_Flow_Charts

G-CPU_Controller_Flow_Charts - University of Florida...

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University of Florida EEL 3701 Drs. Gugel and Schwartz Department of Electrical & Computer Engineering Revision 0 10-Nov-10 Page 1/6 G-CPU Controller Flow Charts 000000 IR_LD Instruction Fetch 000001 INC_PC Instruction Decode/Execution IR[5. .0] Instructions Listed on Next Pages… Special Notes: 1. MSA[1. .0] are set to protect registers A & B when these registers are not in use. 2. R_/W is always set H (read cycle) unless otherwise specified in the ASM chart. 3. ADDR_SEL is always set to connect the PC to the Address Bus (i.e. ADDR_SEL = 00) unless otherwise specified in the ASM.
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University of Florida EEL 3701 Drs. Gugel and Schwartz Department of Electrical & Computer Engineering Revision 0 10-Nov-10 Page 2/6 G-CPU Controller Flow Charts Data Movement Instructions: TAB 000000 A => B TBA 000001 B => A LDAA #data 000010 data => A INC_PC LDAB #data 000011 data => B INC_PC LDAA addr 000100 000010 000011 addrL => MARL INC PC 000100 addrH => MARH INC PC 000101 addr[ ] => A AddrSel = MAR
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This note was uploaded on 11/12/2011 for the course EEL 3701 taught by Professor Lam during the Fall '08 term at University of Florida.

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G-CPU_Controller_Flow_Charts - University of Florida...

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