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Merge pull request #86 from peterferrie/master

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prevent DOS 3.3P escape
This commit is contained in:
4am 2019-05-05 11:16:22 -04:00 committed by GitHub
commit cdef0b322c
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 25 additions and 18 deletions
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41
src/id/trace33p.a
View File

@ -59,18 +59,20 @@ TraceSpecDel3
lda $1212
cmp #$D8
bne SDfail
lda #$4C
sta $10D5
ldy #$00
lda $10D1
cmp #$A2
beq +
ldy #$04
+ lda #$4C
sta $10D1,Y
sta $10EC,Y
lda #<TraceSpecDel4
sta $10D6
sta $10D2,Y
sta $10ED,Y
lda #>TraceSpecDel4
sta $10D7
lda #$4C
sta $10F0
lda #<TraceSpecDel4
sta $10F1
lda #>TraceSpecDel4
sta $10F2
sta $10D3,Y
sta $10EE,Y
jmp $1212
TraceSpecDel4
@ -97,18 +99,23 @@ SDsuccess
;
; Restore the original code in memory before writing.
;
lda #$A2
sta $10D5
ldy #$00
lda $10D1
cmp #$4C
beq +
ldy #$04
+ lda #$A2
sta $10D1,Y
lda #$FF
sta $10D6
sta $10D2,Y
lda #$9A
sta $10D7
sta $10D3,Y
lda #$A5
sta $10F0
sta $10EC,Y
lda #$2B
sta $10F1
sta $10ED,Y
lda #$4A
sta $10F2
sta $10EE,Y
;
; move $1000-$13FF to $1100-$14FF to align it as we need it
; for writing to disk with the Standard Delivery bootloader

2
src/strings/en.a
View File

@ -280,7 +280,7 @@ StringTableHigh
; can be set directly before calling PrintByID.
;
.header
!text "Passport by 4am 2019-05-03",$00
!text "Passport by 4am 2019-05-05",$00
.mainmenu
!text "________________________________________",$8D,$8D,$8D,$8D,$8D,$8D,$8D,$8D
!text " "