# $Id: w11a_seq_flow.txt 317 2010-07-22 19:36:56Z mueller $
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# $Id: w11a_seq_flow.txt 317 2010-07-22 19:36:56Z mueller $
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The states are
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The states are
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1. grouped by 'flows', related states are in a dashed box
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1. grouped by 'flows', related states are in a dashed box
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2. grouped in classes by color
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2. grouped in classes by color
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- blue: idle/fetch/decode states
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- blue: idle/fetch/decode states
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- cyan: console handling states
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- cyan: console handling states
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- light orange: source address mode flow
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- light orange: source address mode flow
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- dark orange: destination address mode flows
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- dark orange: destination address mode flows
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- green: states for main opcode handling
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- green: states for main opcode handling
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- red: states for error handling
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- red: states for error handling
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The grey 'fork_...' hexagons represent three transition groups which are
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The grey 'fork_...' hexagons represent three transition groups which are
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common to the control flow of several states. There is no corresponding
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common to the control flow of several states. There is no corresponding
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state, these symbols just help to reduce the number of transition lines
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state, these symbols just help to reduce the number of transition lines
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on the flow chart.
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on the flow chart.
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The transitions are color coded too:
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The transitions are color coded too:
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- green: normal 'forward' transition in a flow
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- green: normal 'forward' transition in a flow
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- blue: i/o wait loop
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- blue: i/o wait loop
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- red: error/trap handling
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- red: error/trap handling
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- magenta: fatal errors to cpufail state
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- magenta: fatal errors to cpufail state
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- thick black: link to a fork_ symbol
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- thick black: link to a fork_ symbol
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- black: all other transitions
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- black: all other transitions
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