More progress in assembler
This commit is contained in:
Andrew Alderwick
parent
359c373d68
commit
dd73644f29
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@ -155,7 +155,7 @@ type_byte = function(size, has_subtree)
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if '1' == _exp_0 then
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n2 = '1'
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elseif '2' == _exp_0 then
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n2 = '3'
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n2 = '2'
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else
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n2 = '0'
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end
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@ -236,6 +236,23 @@ do
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dag['('] = nil
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add_globals(root, dag, label_name, label_value, '', ' ')
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end
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do
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local root, dag = build_dag_from_chars(']\0', '(')
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dump(io.stdout, root, dag)
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local label_name
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label_name = function(s)
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if s == '(' then
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return 'normal-( '
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end
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return ('data-%-4s'):format(convert[s])
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end
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local label_value
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label_value = function(k)
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return ('[ %02x ]'):format(k:byte())
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end
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dag['('] = nil
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add_globals(root, dag, label_name, label_value, '', ' ')
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end
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local devices = { }
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local add_device
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add_device = function(name, fields)
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@ -87,7 +87,7 @@ type_byte = (size, has_subtree) ->
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when '1'
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'1'
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when '2'
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'3'
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'2'
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else
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'0'
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n1 .. n2
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@ -139,6 +139,17 @@ do
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dag['('] = nil
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add_globals root, dag, label_name, label_value, '', ' '
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do
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root, dag = build_dag_from_chars ']\0', '('
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dump io.stdout, root, dag
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label_name = (s) ->
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if s == '('
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return 'normal-( '
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'data-%-4s'\format convert[s]
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label_value = (k) -> '[ %02x ]'\format k\byte!
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dag['('] = nil
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add_globals root, dag, label_name, label_value, '', ' '
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devices = {}
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add_device = (name, fields) ->
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@ -1,5 +1,5 @@
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;tree { search-key 2 max-key-len 1 }
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;assembler { pass 1 state 1 token 2 scope-len 1 scope 80 heap 2 addr 2 subtree 2 }
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;assembler { pass 1 state 1 token 2 scope-len 1 scope 80 heap 2 addr 2 subtree 2 vartmp 2 }
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%HCF { #0000 DIV }
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%SHORT_FLAG { #20 }
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@ -31,10 +31,10 @@
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~assembler.state
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HCF
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$token [ 25 xyllo 00 ]
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$token [ 3b Hello 00 ]
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$token2 [ 7b 00 ]
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$token3 [ there 00 ]
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$token4 [ 00 ]
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$token3 [ testing 00 ]
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$token4 [ 30 00 ]
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$token5 [ 7d 00 ]
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@assemble-token ( string-ptr* -- )
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@ -222,9 +222,8 @@
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$zero-pointers [ 0000 0000 ]
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@add-label ( string-ptr* label-flags -- )
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ROT ROT
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DUP2 ,label-tree SWP2 #ff ,traverse-tree JSR2
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@add-label ( label-flags string-ptr* tree-ptr* -- )
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OVR2 #ff ,traverse-tree JSR2
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^$new-label JNZ
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( label already exists, check the flags and addr value )
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@ -358,21 +357,21 @@
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@state-machine-pointers
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( normal mode 00 )
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.normal-root .nyi
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.normal-root .normal-main
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( macro definition 01 )
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.macro-root .macro-main
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( macro definition, contents ignored 02 )
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.macro-root .ignore
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( variable definition, expect field size 08 )
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( variable definition, expect field size 04 )
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.variable-nul .variable-size
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( variable definition, expect field name 04 )
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( variable definition, expect field name 08 )
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.variable-root .variable-name
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( reserved for future use 10 )
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.normal-( .ignore
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[ 0000 ] .ignore
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( literal data 20 )
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[ 0000 ] .nyi
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.normal-] .data-main
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( reserved for future use 40 )
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.normal-( .ignore
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[ 0000 ] .ignore
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( comment 80 )
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.normal-) .ignore
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@ -401,29 +400,16 @@ JMP2r
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~assembler.state #7f AND =assembler.state
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JMP2r
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(
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Left and right square brackets start and end literal data sections.
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)
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@normal-[ .normal-@ .normal-] [ 5b ]
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~assembler.state #20 ORA =assembler.state
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JMP2r
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@normal-] [ 0000 ] [ 0000 ] [ 5d ]
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~assembler.state #df AND =assembler.state
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JMP2r
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(
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Ampersands introduce global labels, and define the scope for any
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local labels that follow.
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)
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@normal-@ [ 0000 ] [ 0000 ] [ 40 ]
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~assembler.token
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DUP2 #00 ,add-label JSR2
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#00 ~assembler.token ,label-tree ,add-label JSR2
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$scope
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,assembler.scope ,strcpy JSR2
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~assembler.token ,assembler.scope ,strcpy JSR2
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DUP2 ,assembler.scope SUB2 =assembler.scope-len POP
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#0001 SUB2 #2d SWP POK POP
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JMP2r
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@ -437,7 +423,7 @@ JMP2r
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,assembler.scope ~assembler.scope-len ADD
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,strcpy JSR2 POP2
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,assembler.scope #00 ,add-label JMP2 ( tail call )
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#00 ,assembler.scope ,label-tree ,add-label JMP2 ( tail call )
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(
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Hash signs followed by two or four hex digits write a literal.
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@ -455,12 +441,49 @@ JMP2r
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,opcodes-op-lit ,opcodes-start SUB2 #07 DIV
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ADD ADD ,write-byte JSR2
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$value
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#02 EQU ^$short JNZ
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,write-byte JMP2 ( tail call )
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$short
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,write-short JMP2 ( tail call )
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(
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Left and right square brackets start and end literal data sections.
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)
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@normal-[ .normal-@ .normal-] [ 5b ]
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~assembler.state #20 ORA =assembler.state
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JMP2r
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@normal-] [ 0000 ] [ 0000 ] [ 5d ]
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( this is spurious, but ignore it anyway )
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JMP2r
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@data-] .normal-( [ 0000 ] [ 5d ]
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~assembler.state #df AND =assembler.state
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JMP2r
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@data-root
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@data-nul [ 0000 ] .data-] [ 00 ]
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JMP2r
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@data-main
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~assembler.token ,parse-hex-string JSR2
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DUP ^normal-#-value JNZ
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POP
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~assembler.token
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$loop
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DUP2 PEK2
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DUP ^$keep-going JNZ
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POP POP2 JMP2r
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$keep-going
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,write-byte JSR2
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#0001 ADD2
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^$loop JMP
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(
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A pipe moves the current address to the hex value given.
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)
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@ -531,7 +554,7 @@ JMP2r
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LIT2r .opcodes-op-str LIT2r .opcodes-op-pok
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$main
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~assembler.token ,lookup-label JSR2
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DUP #01 AND ^$valid JNZ
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DUP #03 AND ^$valid JNZ
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( FIXME complain about helper not being usable )
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POP2 JMP2r
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@ -563,7 +586,7 @@ JMP2r
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pointed to in the variable name's binary data.
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)
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@normal-; [ 0000 ] [ 0000 ] [ 3b ]
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~assembler.token #80 ,add-label JSR2
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#80 ~assembler.token ,label-tree ,add-label JSR2
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~assembler.heap #0000 OVR2 STR2
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DUP2 =assembler.subtree
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#0002 ADD2 =assembler.heap
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@ -583,8 +606,29 @@ JMP2r
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JMP2r
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@variable-name
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#00 ~assembler.token ~assembler.subtree ,add-label JSR2
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~assembler.heap #0003 SUB2 =assembler.vartmp
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~assembler.state #f7 AND =assembler.state
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JMP2r
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@variable-size
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,nyi JMP2r
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~assembler.token ,parse-hex-length JSR2
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^$valid JNZ
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( FIXME complain about invalid size )
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JMP2r
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$valid
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DUP #02 GTH ^$end JNZ
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DUP ~assembler.vartmp POK2
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^$end JMP
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$loop
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#00 ,write-byte JSR2
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#01 SUB
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$end
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DUP ^$loop JNZ
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POP
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JMP2r
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(
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Percent signs introduce macros. The macro name is added to the macro tree,
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@ -642,7 +686,7 @@ JMP2r
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@ignore
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JMP2r
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@nyi
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@normal-main
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,$string =Console.string
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HCF
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@ -663,8 +707,10 @@ JMP2r
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The flags byte is divided up into bits:
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bit 0: 01 means load or store helpers can be used,
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bit 1: 02 means the helpers use STR/LDR, 00 means they use POK/PEK;
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bit 0-1: 00 means store / load helpers cannot be used,
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01 means the helpers use POK / PEK,
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02 means the helpers use STR / LDR,
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03 is invalid;
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bits 2-6 are reserved; and
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bit 7: 80 means there is a subtree.
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@ -672,69 +718,69 @@ JMP2r
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)
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@l-Audio [ 0000 ] [ 0000 ] [ Audio 00 ] [ 80 ] .Audio .l-Audio-root
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@l-Audio-delay [ 0000 ] [ 0000 ] [ delay 00 ] [ 03 ] .Audio.delay
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@l-Audio-envelope .l-Audio-delay .l-Audio-finish [ envelope 00 ] [ 03 ] .Audio.envelope
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@l-Audio-delay [ 0000 ] [ 0000 ] [ delay 00 ] [ 02 ] .Audio.delay
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@l-Audio-envelope .l-Audio-delay .l-Audio-finish [ envelope 00 ] [ 02 ] .Audio.envelope
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@l-Audio-finish [ 0000 ] [ 0000 ] [ finish 00 ] [ 01 ] .Audio.finish
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@l-Audio-root
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@l-Audio-pitch .l-Audio-envelope .l-Audio-value [ pitch 00 ] [ 01 ] .Audio.pitch
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@l-Audio-play [ 0000 ] [ 0000 ] [ play 00 ] [ 01 ] .Audio.play
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@l-Audio-root
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@l-Audio-value .l-Audio-play .l-Audio-volume [ value 00 ] [ 03 ] .Audio.value
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@l-Audio-value .l-Audio-play .l-Audio-volume [ value 00 ] [ 02 ] .Audio.value
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@l-Audio-volume [ 0000 ] .l-Audio-wave [ volume 00 ] [ 01 ] .Audio.volume
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@l-Audio-wave [ 0000 ] [ 0000 ] [ wave 00 ] [ 03 ] .Audio.wave
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@l-Audio-wave [ 0000 ] [ 0000 ] [ wave 00 ] [ 02 ] .Audio.wave
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@l-Console .l-Audio .l-Controller [ Console 00 ] [ 80 ] .Console .l-Console-root
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@l-Console-byte [ 0000 ] .l-Console-char [ byte 00 ] [ 01 ] .Console.byte
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@l-Console-char [ 0000 ] [ 0000 ] [ char 00 ] [ 01 ] .Console.char
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@l-Console-root
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@l-Console-short .l-Console-byte .l-Console-string [ short 00 ] [ 03 ] .Console.short
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@l-Console-string [ 0000 ] .l-Console-vector [ string 00 ] [ 03 ] .Console.string
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@l-Console-vector [ 0000 ] [ 0000 ] [ vector 00 ] [ 03 ] .Console.vector
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@l-Console-short .l-Console-byte .l-Console-string [ short 00 ] [ 02 ] .Console.short
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@l-Console-string [ 0000 ] .l-Console-vector [ string 00 ] [ 02 ] .Console.string
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@l-Console-vector [ 0000 ] [ 0000 ] [ vector 00 ] [ 02 ] .Console.vector
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@l-Controller [ 0000 ] [ 0000 ] [ Controller 00 ] [ 80 ] .Controller .l-Controller-root
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@l-Controller-button [ 0000 ] [ 0000 ] [ button 00 ] [ 01 ] .Controller.button
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@l-Controller-key .l-Controller-button .l-Controller-vector [ key 00 ] [ 01 ] .Controller.key
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@l-Controller-root
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@l-Controller-vector [ 0000 ] [ 0000 ] [ vector 00 ] [ 03 ] .Controller.vector
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@l-Controller-key .l-Controller-button .l-Controller-vector [ key 00 ] [ 01 ] .Controller.key
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@l-Controller-vector [ 0000 ] [ 0000 ] [ vector 00 ] [ 02 ] .Controller.vector
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@l-root
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@l-DateTime .l-Console .l-Mouse [ DateTime 00 ] [ 80 ] .DateTime .l-DateTime-root
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@l-DateTime-day [ 0000 ] [ 0000 ] [ day 00 ] [ 01 ] .DateTime.day
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@l-DateTime-dotw .l-DateTime-day .l-DateTime-doty [ dotw 00 ] [ 01 ] .DateTime.dotw
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@l-DateTime-doty [ 0000 ] .l-DateTime-hour [ doty 00 ] [ 03 ] .DateTime.doty
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@l-DateTime-doty [ 0000 ] .l-DateTime-hour [ doty 00 ] [ 02 ] .DateTime.doty
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@l-DateTime-hour [ 0000 ] [ 0000 ] [ hour 00 ] [ 01 ] .DateTime.hour
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@l-DateTime-root
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@l-DateTime-isdst .l-DateTime-dotw .l-DateTime-refresh [ isdst 00 ] [ 01 ] .DateTime.isdst
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@l-DateTime-minute [ 0000 ] .l-DateTime-month [ minute 00 ] [ 01 ] .DateTime.minute
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@l-DateTime-month [ 0000 ] [ 0000 ] [ month 00 ] [ 01 ] .DateTime.month
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@l-DateTime-refresh .l-DateTime-minute .l-DateTime-second [ refresh 00 ] [ 01 ] .DateTime.refresh
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@l-DateTime-root
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@l-DateTime-second [ 0000 ] .l-DateTime-year [ second 00 ] [ 01 ] .DateTime.second
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@l-DateTime-year [ 0000 ] [ 0000 ] [ year 00 ] [ 03 ] .DateTime.year
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@l-DateTime-year [ 0000 ] [ 0000 ] [ year 00 ] [ 02 ] .DateTime.year
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@l-File [ 0000 ] [ 0000 ] [ File 00 ] [ 80 ] .File .l-File-root
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@l-File-length [ 0000 ] .l-File-load [ length 00 ] [ 03 ] .File.length
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@l-File-length [ 0000 ] .l-File-load [ length 00 ] [ 02 ] .File.length
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@l-File-load [ 0000 ] [ 0000 ] [ load 00 ] [ 00 ] .File.load
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@l-File-name .l-File-length .l-File-save [ name 00 ] [ 03 ] .File.name
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@l-File-root
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@l-File-save [ 0000 ] .l-File-vector [ save 00 ] [ 03 ] .File.save
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@l-File-vector [ 0000 ] [ 0000 ] [ vector 00 ] [ 03 ] .File.vector
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@l-File-name .l-File-length .l-File-save [ name 00 ] [ 02 ] .File.name
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@l-File-save [ 0000 ] .l-File-vector [ save 00 ] [ 02 ] .File.save
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@l-File-vector [ 0000 ] [ 0000 ] [ vector 00 ] [ 02 ] .File.vector
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@l-Mouse .l-File .l-Screen [ Mouse 00 ] [ 80 ] .Mouse .l-Mouse-root
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@l-Mouse-chord [ 0000 ] .l-Mouse-state [ chord 00 ] [ 01 ] .Mouse.chord
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@l-Mouse-root
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@l-Mouse-state [ 0000 ] [ 0000 ] [ state 00 ] [ 01 ] .Mouse.state
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@l-Mouse-vector .l-Mouse-chord .l-Mouse-x [ vector 00 ] [ 03 ] .Mouse.vector
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@l-Mouse-x [ 0000 ] .l-Mouse-y [ x 00 ] [ 03 ] .Mouse.x
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@l-Mouse-y [ 0000 ] [ 0000 ] [ y 00 ] [ 03 ] .Mouse.y
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@l-Mouse-root
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@l-Mouse-vector .l-Mouse-chord .l-Mouse-x [ vector 00 ] [ 02 ] .Mouse.vector
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@l-Mouse-x [ 0000 ] .l-Mouse-y [ x 00 ] [ 02 ] .Mouse.x
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@l-Mouse-y [ 0000 ] [ 0000 ] [ y 00 ] [ 02 ] .Mouse.y
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@l-Screen [ 0000 ] .l-System [ Screen 00 ] [ 80 ] .Screen .l-Screen-root
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@l-Screen-addr [ 0000 ] [ 0000 ] [ addr 00 ] [ 03 ] .Screen.addr
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@l-Screen-addr [ 0000 ] [ 0000 ] [ addr 00 ] [ 02 ] .Screen.addr
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@l-Screen-color .l-Screen-addr .l-Screen-height [ color 00 ] [ 01 ] .Screen.color
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@l-Screen-height [ 0000 ] [ 0000 ] [ height 00 ] [ 03 ] .Screen.height
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@l-Screen-height [ 0000 ] [ 0000 ] [ height 00 ] [ 02 ] .Screen.height
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@l-Screen-root
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@l-Screen-vector .l-Screen-color .l-Screen-x [ vector 00 ] [ 03 ] .Screen.vector
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@l-Screen-width [ 0000 ] [ 0000 ] [ width 00 ] [ 03 ] .Screen.width
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@l-Screen-x .l-Screen-width .l-Screen-y [ x 00 ] [ 03 ] .Screen.x
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@l-Screen-y [ 0000 ] [ 0000 ] [ y 00 ] [ 03 ] .Screen.y
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@l-Screen-vector .l-Screen-color .l-Screen-x [ vector 00 ] [ 02 ] .Screen.vector
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@l-Screen-width [ 0000 ] [ 0000 ] [ width 00 ] [ 02 ] .Screen.width
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@l-Screen-x .l-Screen-width .l-Screen-y [ x 00 ] [ 02 ] .Screen.x
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@l-Screen-y [ 0000 ] [ 0000 ] [ y 00 ] [ 02 ] .Screen.y
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@l-System [ 0000 ] [ 0000 ] [ System 00 ] [ 80 ] .System .l-System-root
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@l-System-b [ 0000 ] [ 0000 ] [ b 00 ] [ 03 ] .System.b
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@l-System-g .l-System-b .l-System-r [ g 00 ] [ 03 ] .System.g
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@l-System-r [ 0000 ] .l-System-vector [ r 00 ] [ 03 ] .System.r
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@l-System-b [ 0000 ] [ 0000 ] [ b 00 ] [ 02 ] .System.b
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@l-System-root
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@l-System-vector [ 0000 ] [ 0000 ] [ vector 00 ] [ 03 ] .System.vector
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@l-root
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@l-System-g .l-System-b .l-System-r [ g 00 ] [ 02 ] .System.g
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@l-System-r [ 0000 ] .l-System-vector [ r 00 ] [ 02 ] .System.r
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@l-System-vector [ 0000 ] [ 0000 ] [ vector 00 ] [ 02 ] .System.vector
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@assembler-heap-start
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