diff --git a/src/passport.a b/src/passport.a index cf63ea0..7ef2292 100755 --- a/src/passport.a +++ b/src/passport.a @@ -94,7 +94,7 @@ flag = $FF ; byte } ; Application constants (not zero addresses) -RELBASE = $6900 ; address to move Passport code +RELBASE = $6800 ; address to move Passport code ; so that it's out of the way BASEPAGE = $10 ; Special Delivery tracer assumes ; this is $10, so don't change it! @@ -331,6 +331,8 @@ ADStyle .noSun jsr xOptimumRes bcs .noOptimum + lda #TRUE + sta gIsOptimum lda #s_optimum jsr PrintByID .noOptimum @@ -694,6 +696,7 @@ _applyToAll !source "patchers/corrupter.a" !source "patchers/ea.a" !source "patchers/gamco.a" + !source "patchers/optimum.a" lda gPatchCount beq .nopatches @@ -778,6 +781,10 @@ gIsEEEF !byte FALSE ; 0=true, 1=false ; reset before each operation ; set in IsEEEF() after reading T22 +gIsOptimum + !byte FALSE ; 0=true, 1=false + ; reset before each operation + ; set in IDBootloader() after reading T00,S00 gOnAClearDayYouCanReadForever !byte FALSE ; 0=true, 1=false ; retry reads with a captured RWTS forever, diff --git a/src/patchers/ea.a b/src/patchers/ea.a index 22eba8c..cd6659b 100644 --- a/src/patchers/ea.a +++ b/src/patchers/ea.a @@ -12,11 +12,25 @@ _ea + ldy #40 jsr SearchTrack - !byte $8D,$6F,$BC,$8C,$70,$BC,$A0,$20 - !byte $88,$F0,$D7,$AD,$EC,$C0,$10,$FB - !byte $49,$D5,$D0,$F4,$EA,$AD,$EC,$C0 - !byte $10,$FB,$C9,$BB,$D0,$F2,$EA,$AD - !byte $EC,$C0,$10,$FB,$C9,$CF,$D0,$E8 + !byte $8D,$6F,$BC ;STA $BC6F + !byte $8C,$70,$BC ;STY $BC70 + !byte $A0,$20 ;LDY #$20 + !byte $88 ;DEY + !byte $F0,$D7 ;BEQ -$D7 + !byte $AD,$EC,$C0 ;LDA $C0EC + !byte $10,$FB ;BPL -$FB + !byte $49,$D5 ;EOR #$D5 + !byte $D0,$F4 ;BNE -$F4 + !byte $EA ;NOP + !byte $AD,$EC,$C0 ;LDA $C0EC + !byte $10,$FB ;BPL -$FB + !byte $C9,$BB ;CMP #$BB + !byte $D0,$F2 ;BNE -$F2 + !byte $EA ;NOP + !byte $AD,$EC,$C0 ;LDA $C0EC + !byte $10,$FB ;BPL -$FB + !byte $C9,$CF ;CMP #$CF + !byte $D0,$E8 ;BNE -$E8 bcs + pha txa @@ -29,21 +43,21 @@ _ea pha ldy #1 jsr modify - !byte $AA + !byte $AA ;data prologue #2 .patch2 ldx #$D1 pla ldy #1 jsr modify - !byte $AD + !byte $AD ;data prologue #3 + ldy #13 jsr SearchTrack - !byte $03, $49 ;ldi #$05 - !byte $01, $03, $65 ;jsra $bc00 - !byte $01, $03, $79 ;jsra $a000 - !byte $03, $4C ;ldi #$00 - !byte $04, $EB, $19 ;lda $c0e8 + !byte $03,$49 ;LDI #$05 + !byte $01,$03,$65 ;JSRA $bc00 + !byte $01,$03,$79 ;JSRA $a000 + !byte $03,$4C ;LDI #$00 + !byte $04,$EB,$19 ;LDA $c0e8 bcs + inx inx @@ -55,17 +69,21 @@ _ea !byte $04 + ldy #15 jsr SearchTrack + ;enciphered call to p-code as above !byte $BF,$9F,$BE,$F6,$04,$2E,$9B,$DA !byte $5A,$16,$DA,$30,$06,$45,$C2 bcs + inx ldy #1 jsr modify - !byte $EE + !byte $EE ;enciphered jsra->lda to disable call + ldy #8 jsr SearchTrack - !byte $20,$10,$07,$A5,$56,$D0,$A7,$4C + !byte $20,$10,$07 ;JSR $0710 + !byte $A5,$56 ;LDA $56 + !byte $D0,$A7 ;BNE -$A7 + !byte $4C ;JMP $xxxx bcs + inx inx @@ -75,16 +93,16 @@ _ea inx ldy #1 jsr modify - !byte $00 + !byte $00 ;disable branch + ldy #15 jsr SearchTrack - !byte $03, $49 ;ldi #$05 - !byte $01, $03, $65 ;jsra $bc00 - !byte $03, $4C ;ldi #$00 - !byte $01, $03, $79 ;jsra $a000 - !byte $07, $01 ;sub #$4d - !byte $0F, $F5, $70 ;bne $a9f6 + !byte $03,$49 ;LDI #$05 + !byte $01,$03,$65 ;JSRA $bc00 + !byte $03,$4C ;LDI #$00 + !byte $01,$03,$79 ;JSRA $a000 + !byte $07,$01 ;SUB #$4d + !byte $0F,$F5,$70 ;BNE $a9f6 bcs + pha txa @@ -96,18 +114,23 @@ _ea pha ldy #1 jsr modify - !byte $04 + !byte $04 ;new checksum value for sub pla .patch3 ldx #$D1 ldy #1 jsr modify - !byte $00 + !byte $00 ;jsra->lda to disable call + ;routine loops infinitely on failure + ldy #13 jsr SearchTrack - !byte $4C,$E7,$B2,$4C,$74,$B3,$00,$00 - !byte $C9,$CB,$D0,$7C,$60 + !byte $4C,$E7,$B2 ;JMP $B2E7 + !byte $4C,$74,$B3 ;JMP $B374 + !byte $00,$00 ;filler + !byte $C9,$CB ;CMP #$CB + !byte $D0,$7C ;BNE +$7C + !byte $60 ;RTS bcs + pha txa @@ -116,16 +139,16 @@ _ea pla ldy #1 jsr modify - !byte $00 + !byte $00 ;disable branch + ldy #15 jsr SearchTrack - !byte $03,$49 ;ldi #$05 - !byte $01,$03,$65 ;jsr $BC00 - !byte $03,$4C ;ldi #$00 - !byte $01,$03,$6C ;jsr $B500 - !byte $07,$1C ;sub #$50 - !byte $0F,$78,$60 ;bne $B97B + !byte $03,$49 ;LDI #$05 + !byte $01,$03,$65 ;JSR $BC00 + !byte $03,$4C ;LDI #$00 + !byte $01,$03,$6C ;JSR $B500 + !byte $07,$1C ;SUB #$50 + !byte $0F,$78,$60 ;BNE $B97B bcs + pha txa @@ -134,12 +157,16 @@ _ea pla ldy #1 jsr modify - !byte $4C + !byte $4C ;new checksum value for sub + ldy #14 jsr SearchTrack - !byte $78,$20,$00,$D7,$C9,$4D,$F0,$06 - !byte $20,$67,$67,$20,$AA,$BF + !byte $78 ;SEI + !byte $20,$00,$D7 ;JSR $D700 + !byte $C9,$4D ;CMP #$4D + !byte $F0,$06 ;BEQ +$06 + !byte $20,$67,$67 ;JSR $6767 + !byte $20,$AA,$BF ;JSR $BFAA bcs + inx inx @@ -148,12 +175,14 @@ _ea inx ldy #1 jsr modify - !byte $00 + !byte $00 ;new checksum value for cmp + ldy #12 jsr SearchTrack - !byte $20,$3E,$91,$20,$F3,$76,$20,$00 - !byte $61,$4C,$94,$69 + !byte $20,$3E,$91 ;JSR $913E + !byte $20,$F3,$76 ;JSR $76F3 + !byte $20,$00,$61 ;JSR $6100 + !byte $4C,$94,$69 ;JMP $6994 bcs + inx inx @@ -163,19 +192,19 @@ _ea inx ldy #1 jsr modify - !byte $2C + !byte $2C ;JSR->BIT + ldy #23 jsr SearchTrack ;looks like garbage because it's enciphered - !byte $03, $5B ;ldi #$00 - !byte $06, $FF, $97 ;sta $4ee4 - !byte $1C, $E0, $8F ;jsra $4ce3 - !byte $05, $FB, $95 ;jsra $4ce3 - !byte $19, $E0, $88 ;jsra $4ce3 - !byte $05, $FE, $95 ;jsra $4ce3 - !byte $1B, $EB, $39 ;lda $c0e8 - !byte $04, $C6, $97 ;lda $4ee4 + !byte $03,$5B ;LDI #$00 + !byte $06,$FF,$97 ;STA $4ee4 + !byte $1C,$E0,$8F ;JSRA $4ce3 + !byte $05,$FB,$95 ;JSRA $4ce3 + !byte $19,$E0,$88 ;JSRA $4ce3 + !byte $05,$FE,$95 ;JSRA $4ce3 + !byte $1B,$EB,$39 ;LDA $c0e8 + !byte $04,$C6,$97 ;LDA $4ee4 bcs + pha txa @@ -184,18 +213,18 @@ _ea pla ldy #1 jsr modify - !byte $C7 + !byte $C7 ;lda from known-zero instead + ldy #23 jsr SearchTrack - !byte $03, $4C ;ldi #$00 - !byte $06, $E1, $DE ;sta $07e2 - !byte $05, $CC, $DC ;jsra $05cf - !byte $05, $CC, $DC ;jsra $05cf - !byte $05, $CC, $DC ;jsra $05cf - !byte $05, $CC, $DC ;jsra $05cf - !byte $04, $EB, $19 ;lda $c0e8 - !byte $04, $E1, $DE ;lda $07e2 + !byte $03,$4C ;LDI #$00 + !byte $06,$E1,$DE ;STA $07e2 + !byte $05,$CC,$DC ;JSRA $05cf + !byte $05,$CC,$DC ;JSRA $05cf + !byte $05,$CC,$DC ;JSRA $05cf + !byte $05,$CC,$DC ;JSRA $05cf + !byte $04,$EB,$19 ;LDA $c0e8 + !byte $04,$E1,$DE ;LDA $07e2 bcs .exit pha txa @@ -204,7 +233,7 @@ _ea pla ldy #1 jsr modify - !byte $E0 + !byte $E0 ;lda from known-zero instead .dostitles lda gIsBoot0 @@ -212,14 +241,14 @@ _ea ldy #23 jsr SearchTrack - !byte $09, $7A ;ldi #$00 - !byte $06, $7E, $A3 ;sta $0ee2 - !byte $08, $4D, $A1 ;jsra $0cd1 - !byte $08, $4D, $A1 ;jsra $0cd1 - !byte $08, $4D, $A1 ;jsra $0cd1 - !byte $08, $4D, $A1 ;jsra $0cd1 - !byte $07, $74, $6D ;lda $c0e8 - !byte $07, $7E, $A3 ;lda $0ee2 + !byte $09,$7A ;LDI #$00 + !byte $06,$7E,$A3 ;STA $0ee2 + !byte $08,$4D,$A1 ;JSRA $0cd1 + !byte $08,$4D,$A1 ;JSRA $0cd1 + !byte $08,$4D,$A1 ;JSRA $0cd1 + !byte $08,$4D,$A1 ;JSRA $0cd1 + !byte $07,$74,$6D ;LDA $c0e8 + !byte $07,$7E,$A3 ;LDA $0ee2 bcs + pha txa @@ -228,12 +257,16 @@ _ea pla ldy #1 jsr modify - !byte $7F + !byte $7F ;lda from known-zero instead + ldy #13 jsr SearchTrack - !byte $A2,$04,$20,$4F,$1E,$20,$00,$A6 - !byte $A5,$48,$D0,$01,$60 + !byte $A2,$04 ;LDX #$04 + !byte $20,$4F,$1E ;JSR $1E4F + !byte $20,$00,$A6 ;JSR $A600 + !byte $A5,$48 ;LDA $48 + !byte $D0,$01 ;BNE +$01 + !byte $60 ;RTS bcs + pha txa @@ -242,7 +275,7 @@ _ea pla ldy #1 jsr modify - !byte $00 + !byte $00 ;disable branch + .exit diff --git a/src/patchers/optimum.a b/src/patchers/optimum.a new file mode 100644 index 0000000..c35d92a --- /dev/null +++ b/src/patchers/optimum.a @@ -0,0 +1,231 @@ +;------------------------------- +; #Optimum +; self-overwriter that restores +; content later from custom sector +; e.g. StickyBear Math +; +; module by qkumba +;------------------------------- +!zone { +_optimum + lda gIsOptimum + bne .jmpexit1 + lda gTrack + beq .jmpreread + ldy #15 + jsr SearchTrack + !byte $A2,$00 ;LDX #$00 + !byte $A0,$00 ;LDY #$00 + !byte $BD,$21,$03 ;LDA $0321,X + !byte $E8 ;INX + !byte $85,WILDCARD ;STA $xx + !byte $BD,$21,$03 ;LDA $0321,X + !byte $E8 ;INX + !byte $85 ;STA $xx + bcc + +.jmpexit1 + jmp .exit + +.jmpreread + jmp .reread1 + ++ pha + adc #BASEPAGE + sta .swapbase1+2 + tay + txa + pha + dey + sty .swapbase4+2 + dey + sty .swapbase2+2 + sty .swapbase3+2 + ldy #$B5 +- +.swapbase1 + lda $D100,y + sta $2D8,y + dey + cpy #$FF + bne - + + ;disable decoding because using the real version + ;would corrupt the text screen + + lda #$2C + sta $BE40 + + ;read T01S0F + + lda gTrack + pha + lda #1 + sta gTrack + ldy #gRWTSParams + jsr $2E2 + pla + sta gTrack + + ;re-enable decoding + + lda #$20 + sta $BE40 + + ;disable redirection + + pla + tax + pla + ldy #$01 + jsr modify + !byte $60 ;RTS + + ;decode and stash content + + lda #$BC + sta .tblsel1+2 + sta .tblsel2+2 + lda #$88 + sta .direction1 + sta .direction2 + lda #$86 + sta $26 + ldy #$53 +- +.tblsel1 + ldx $D100,y +.swapbase2 + lda ($D110-$96)-$16,x + asl + asl + asl + asl +.direction1 + dey +.tblsel2 + ldx $D100,y +.swapbase3 + ora ($D110-$96)-$16,x + sty $2C + ldy $26 + sta $B600,y + ldy $2C + bne + + dec .tblsel1+2 + dec .tblsel2+2 + lda #$C8 + sta .direction1 + sta .direction2 + !byte $24 ;mask DEY ++ +.direction2 + dey + dec $26 + ldx $26 + inx + bne - + + ;read IOB with replaced page + +.swapbase4 + lda $D16D,x + sta .address+1 + +.jmpexit2 + jmp .exit + + ;track 0, find the region with replaced page + +.reread1 + ldy #8 + jsr SearchTrack + !byte $20,$5D,$B6 ;JSR $B65D + !byte WILDCARD, WILDCARD + !byte $00,$08,$18 ;address, count + bcs .jmpexit2 ;give up + adc #BASEPAGE + sta .patch1+2 + sta .patch2+2 + + ;convert address to track/sector + +.address + lda #$D1 + sbc #7 + pha + and #$0F + sta tmp +.patch1 + lda $D104,x + sbc tmp + and #$0F + sta gSector + pla + php + lsr + lsr + lsr + lsr + clc +.patch2 + adc $D103,x + tay + plp + bcs + + iny ++ sty gTrack + + ;read replaced page + + ldy #gRWTSParams + jsr $BD00 + + ;merge content + + ldy #$86 +- lda $B600,y + sta (BASEPAGE+$0F)*256,y + dey + cpy #$FF + bne - + + ;write replaced page + + lda gRWTSParams+1 + pha + lda gRWTSParams+2 + pha + lda SLOT + asl + asl + asl + asl + sta gRWTSParams+1 + lda DRIVE + and #$0F + sta gRWTSParams+2 + lda #1 + sta gTrack + lda #$0F + sta gSector + inc gRWTSParams+$0C + ldy #gRWTSParams + jsr $BD00 + dec gRWTSParams+$0C + pla + sta gRWTSParams+2 + pla + sta gRWTSParams+1 + + ;restore original page + + dec gTrack + ldy #gRWTSParams + jsr $BD00 + +.exit +} diff --git a/src/strings/en.a b/src/strings/en.a index 08a5461..18a28fa 100755 --- a/src/strings/en.a +++ b/src/strings/en.a @@ -192,7 +192,7 @@ StringTable ; can be set directly before calling PrintByID. ; .header - !text "Passport by 4am 2017-02-07",00 + !text "Passport by 4am 2017-02-09",00 .mainmenu !text "________________________________________",$8D,$8D,$8D,$8D,$8D,$8D,$8D !text " "