2019-11-18 00:05:51 +00:00
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!cpu 6502
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* = $1000
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L1000 lda #$00
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@L1000 lda #$01
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ldx L1000
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ldy @L1000
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ldx #$02
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loop1 dex
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bne loop1
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ldx #$03
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@loop1 dex
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bne @loop1
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global1 nop
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ldx #$04
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@loop ldy #$05
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@loop1 dey
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bne @loop1
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dex
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bne @loop
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jmp loop
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global2 !byte $ea
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loop nop
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global3 nop
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ldx #$06
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ldy #$07
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dex
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beq @fwd1
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dey
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beq @fwd2
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@fwd1 nop
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@fwd2 nop
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global4 nop
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ldx #$08
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loop2 dex
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global5 nop
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bne loop2
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nop
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global6 nop
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@spin1 jsr @spin2
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@spin2 jsr @spin1
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nop
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@spin11 lda @spin1+7
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beq @spin11
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lda #<@spin1
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ldx #<@spin2
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lda #>@spin1
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ldx #>@spin2
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bne @skip
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!word @spin1
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!word @spin2
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!word @spin11
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!byte <@spin1
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!byte <@spin2
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!byte >@spin1
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!byte >@spin2
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@skip nop
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global_ nop
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_global ldx #$40
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__ dex
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bne __
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beq ___
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___ ldx #$41
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@__ dex
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bne @__
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nop
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Label rework, part 6
Correct handling of local variables. We now correctly uniquify them
with regard to non-unique labels. Because local vars can effectively
have global scope we mostly want to treat them as global, but they're
uniquified relative to other globals very late in the process, so we
can't just throw them in the symbol table and be done. Fortunately
local variables exist in a separate namespace, so we just need to
uniquify the variables relative to the post-localization symbol table.
In other words, we take the symbol table, apply the label map, and
rename any variable that clashes.
This also fixes an older problem where we weren't masking the
leading '_' on variable labels when generating 64tass output.
The code list now makes non-unique labels obvious, but you can't tell
the difference between unique global and unique local. What's more,
the default type value in Edit Label is now adjusted to Global for
unique locals that were auto-generated. To make it a bit easier to
figure out what's what, the Info panel now has a "label type" line
that reports the type.
The 2023-non-unique-labels test had some additional tests added to
exercise conflicts with local variables. The 2019-local-variables
test output changed slightly because the de-duplicated variable
naming convention was simplified.
2019-11-18 21:26:03 +00:00
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anno lda #$42
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T106B lda anno
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2019-11-18 00:05:51 +00:00
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clc
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bcc @skip
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Label rework, part 6
Correct handling of local variables. We now correctly uniquify them
with regard to non-unique labels. Because local vars can effectively
have global scope we mostly want to treat them as global, but they're
uniquified relative to other globals very late in the process, so we
can't just throw them in the symbol table and be done. Fortunately
local variables exist in a separate namespace, so we just need to
uniquify the variables relative to the post-localization symbol table.
In other words, we take the symbol table, apply the label map, and
rename any variable that clashes.
This also fixes an older problem where we weren't masking the
leading '_' on variable labels when generating 64tass output.
The code list now makes non-unique labels obvious, but you can't tell
the difference between unique global and unique local. What's more,
the default type value in Edit Label is now adjusted to Global for
unique locals that were auto-generated. To make it a bit easier to
figure out what's what, the Info panel now has a "label type" line
that reports the type.
The 2023-non-unique-labels test had some additional tests added to
exercise conflicts with local variables. The 2019-local-variables
test output changed slightly because the de-duplicated variable
naming convention was simplified.
2019-11-18 21:26:03 +00:00
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!word T106B
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2019-11-18 00:05:51 +00:00
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@skip nop
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JMP1 lda JMP1
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JMP0 lda JMP0
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JMP11 lda JMP11
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@JMP lda @JMP
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@JMP0 lda @JMP0
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@JMP1 lda @JMP1
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@JMP2 lda @JMP2
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jmp1 lda jmp1
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Jmp1 lda Jmp1
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BRA lda BRA
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brl lda brl
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LDAL !byte $af
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!byte $95
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!byte $10
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!byte $00
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Label rework, part 6
Correct handling of local variables. We now correctly uniquify them
with regard to non-unique labels. Because local vars can effectively
have global scope we mostly want to treat them as global, but they're
uniquified relative to other globals very late in the process, so we
can't just throw them in the symbol table and be done. Fortunately
local variables exist in a separate namespace, so we just need to
uniquify the variables relative to the post-localization symbol table.
In other words, we take the symbol table, apply the label map, and
rename any variable that clashes.
This also fixes an older problem where we weren't masking the
leading '_' on variable labels when generating 64tass output.
The code list now makes non-unique labels obvious, but you can't tell
the difference between unique global and unique local. What's more,
the default type value in Edit Label is now adjusted to Global for
unique locals that were auto-generated. To make it a bit easier to
figure out what's what, the Info panel now has a "label type" line
that reports the type.
The 2023-non-unique-labels test had some additional tests added to
exercise conflicts with local variables. The 2019-local-variables
test output changed slightly because the de-duplicated variable
naming convention was simplified.
2019-11-18 21:26:03 +00:00
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nop
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!zone Z00009a
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.plain_1 = $11
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._under1 = $12
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.__dub1 = $13
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lda .plain_1
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lda ._under1
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lda .__dub1
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@plain lda @plain
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plain lda plain
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global8 dex
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bne plain
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X_under1 lda X_under1
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@X__dub1 lda @X__dub1
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!zone Z0000af
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.plain_1 = $11
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.__dub1 = $13
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._under1 = $22
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lda .plain_1
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lda ._under1
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2019-11-18 00:05:51 +00:00
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rts
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