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simplify JMPB4BB patchers (fixes Property Management System demo with different entry point)
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546494dc88
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@ -2,7 +2,10 @@
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; #DOS32JMPB4BB
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; #DOS32JMPB4BB
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; boot2 jumps to $B4BB for a
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; boot2 jumps to $B4BB for a
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; nibble check (13-sector variant)
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; nibble check (13-sector variant)
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; e.g. Bellhop
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;
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; tested on
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; Bellhop (1982, Imaginative Systems)
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; Property Management System demo (1982, Realty Software Company)
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;-------------------------------
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;-------------------------------
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!zone {
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!zone {
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lda gIsDOS32 ; if DOS 3.2
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lda gIsDOS32 ; if DOS 3.2
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@ -31,9 +34,9 @@
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;
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;
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lda #$01
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lda #$01
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ldx #$BA
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ldx #$BA
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ldy #$03
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ldy #$01
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jsr compare ; if T01,S01,$BA ==
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jsr compare ; if T01,S01,$BA ==
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!byte $4C,$0B,$37
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!byte $4C
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bcs .exit
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bcs .exit
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ldy #$03
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ldy #$03
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jsr modify ; then set T01,S01,$BA =
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jsr modify ; then set T01,S01,$BA =
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@ -28,9 +28,9 @@
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;
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;
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lda #$0D
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lda #$0D
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ldx #$BA
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ldx #$BA
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ldy #$03
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ldy #$01
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jsr compare ; if T00,S0D,$BA ==
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jsr compare ; if T00,S0D,$BA ==
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!byte $4C,$0B,$37
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!byte $4C
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bcs .exit
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bcs .exit
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lda #$0D
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lda #$0D
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ldx #$BA
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ldx #$BA
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@ -28,9 +28,9 @@ _jmpb4bbhi
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;
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;
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lda #$0D
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lda #$0D
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ldx #$BA
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ldx #$BA
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ldy #$03
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ldy #$01
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jsr compare ; if T00,S0D,$BA ==
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jsr compare ; if T00,S0D,$BA ==
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!byte $4C,$0B,$B7
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!byte $4C
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bcs .exit
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bcs .exit
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ldy #$03
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ldy #$03
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jsr modify ; then set T00,S0D,$BA =
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jsr modify ; then set T00,S0D,$BA =
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@ -232,7 +232,7 @@ StringTable
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; can be set directly before calling PrintByID.
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; can be set directly before calling PrintByID.
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;
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;
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.header
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.header
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!text "Passport by 4am 2017-10-08",$00
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!text "Passport by 4am 2017-10-11",$00
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.mainmenu
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.mainmenu
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!text "________________________________________",$8D,$8D,$8D,$8D,$8D,$8D,$8D
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!text "________________________________________",$8D,$8D,$8D,$8D,$8D,$8D,$8D
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!text " "
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!text " "
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