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More progress in assembler

This commit is contained in:
Andrew Alderwick 2021-04-11 23:45:31 +01:00
parent 359c373d68
commit dd73644f29
3 changed files with 145 additions and 71 deletions
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19
etc/assembler-trees.lua
View File

@ -155,7 +155,7 @@ type_byte = function(size, has_subtree)
if '1' == _exp_0 then if '1' == _exp_0 then
n2 = '1' n2 = '1'
elseif '2' == _exp_0 then elseif '2' == _exp_0 then
n2 = '3' n2 = '2'
else else
n2 = '0' n2 = '0'
end end
@ -236,6 +236,23 @@ do
dag['('] = nil dag['('] = nil
add_globals(root, dag, label_name, label_value, '', ' ') add_globals(root, dag, label_name, label_value, '', ' ')
end end
do
local root, dag = build_dag_from_chars(']\0', '(')
dump(io.stdout, root, dag)
local label_name
label_name = function(s)
if s == '(' then
return 'normal-( '
end
return ('data-%-4s'):format(convert[s])
end
local label_value
label_value = function(k)
return ('[ %02x ]'):format(k:byte())
end
dag['('] = nil
add_globals(root, dag, label_name, label_value, '', ' ')
end
local devices = { } local devices = { }
local add_device local add_device
add_device = function(name, fields) add_device = function(name, fields)

13
etc/assembler-trees.moon
View File

@ -87,7 +87,7 @@ type_byte = (size, has_subtree) ->
when '1' when '1'
'1' '1'
when '2' when '2'
'3' '2'
else else
'0' '0'
n1 .. n2 n1 .. n2
@ -139,6 +139,17 @@ do
dag['('] = nil dag['('] = nil
add_globals root, dag, label_name, label_value, '', ' ' add_globals root, dag, label_name, label_value, '', ' '
do
root, dag = build_dag_from_chars ']\0', '('
dump io.stdout, root, dag
label_name = (s) ->
if s == '('
return 'normal-( '
'data-%-4s'\format convert[s]
label_value = (k) -> '[ %02x ]'\format k\byte!
dag['('] = nil
add_globals root, dag, label_name, label_value, '', ' '
devices = {} devices = {}
add_device = (name, fields) -> add_device = (name, fields) ->

180
projects/software/assembler.usm
View File

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