Complete "SYSTEM"-ification of Applecorn.
Now runs as APLCORN.SYSTEM, without the need for BASIC.SYSTEM as a support for .BIN.
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BIN
applecorn.po
BIN
applecorn.po
Binary file not shown.
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@ -10,7 +10,7 @@
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XC ; 65c02
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ORG $4000 ; Load addr of loader in main memory
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ORG $2000 ; Load addr of loader in main memory
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; Clear of first HGR frame buffer
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* Monitor routines
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@ -200,6 +200,6 @@ MAINZP MAC
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PUT AUXMEM.MISC
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* Automatically save the object file:
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SAV APPLECORN
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SAV APLCORN.SYSTEM
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@ -209,7 +209,7 @@ BYTE00 BEQ BYTE00A ; OSBYTE 0,0 - generate error
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RTS ; %000x1xxx host type, 'A'pple
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BYTE00A BRK
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DB $F7
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HELLO ASC 'Applecorn MOS 2022-09-24'
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HELLO ASC 'Applecorn MOS 2022-10-06-SYS'
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DB $00 ; Unify MOS messages
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GSSPEED DB $00 ; $80 if GS is fast, $00 for slow
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@ -727,7 +727,7 @@ MOSVEND
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* Buffer for one 512 byte disk block in aux mem
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AUXBLK ASC '**ENDOFCODE**'
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DS $200-13
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; DS $200-13
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6
m32build
6
m32build
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@ -4,6 +4,6 @@
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#
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merlin32 -v applecorn.s
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cp APPLECORN APPLECORN#064000
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cadius deletefile applecorn.po /APPLECORN/APPLECORN
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cadius addfile applecorn.po /APPLECORN APPLECORN#064000
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cp APLCORN.SYSTEM APLCORN.SYSTEM#FF2000
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cadius deletefile applecorn.po /APPLECORN/APLCORN.SYSTEM
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cadius addfile applecorn.po /APPLECORN APLCORN.SYSTEM#FF2000
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@ -11,6 +11,66 @@
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* to aux memory starting at AUXMOS1 and jumps to it.
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* (Note that the MOS code will copy itself to $D000.)
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SYSTEM LDX #$FF ; Init stack pointer
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TXS
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LDA #$00
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STA $BFFC ; IBAKVER (minimum P8 version)
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LDA #$01
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STA $BFFD ; IVERSION (version of me)
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SED ; Check for 65C02
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LDA #$99
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CLC
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ADC #$01
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CLD
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BPL GOODCPU
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JMP UNSUPPORTED
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GOODCPU LDA $BF98 ; MACHID
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AND #$F2 ; Clear bits 0,2,3
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CMP #$B2 ; Are we on a //e or //c w/ 80col and 128K or a IIgs?
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BEQ SUPPORTED ; Supported machine
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JMP UNSUPPORTED ; Unsupported machine
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SUPPORTED LDA #$DF ; Protect pages $0,$1,and $3-$7
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STA $BF58
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LDA #$F0 ; Protect pages $8-$B
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STA $BF59
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LDA #$FF ; Protect HGR1
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STA $BF5C
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STA $BF5D
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STA $BF5E
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STA $BF5F
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JMP START
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UNSUPPORTED JSR HOME
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LDX #$00
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UNSUPLP LDA UNSUPMSG,X
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BEQ UNSUPWAIT
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JSR COUT1
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INX
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BNE UNSUPLP
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UNSUPWAIT STA $C010
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UNSUPKEY LDA $C000
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BPL UNSUPKEY
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STA $C010
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JSR MLI
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DB QUITCMD
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DW UNSUPQPARM
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UNSUPQPARM DB $04,$00,$00,$00,$00,$00,$00
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UNSUPMSG ASC "APPLECORN REQUIRES AN APPLE IIGS, APPLE"
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ASC "//C, OR ENHANCED APPLE //E WITH AN", 8D
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ASC "80-COLUMN CARD AND AT LEAST 128K", 8D, 8D
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ASC "PRESS ANY KEY TO QUIT TO PRODOS", 00
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PADDING ASC '***THISISPROTOTYPECODE***'
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DS $4000-*
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; Original APPLECORN.BIN code starts here
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START JSR CROUT
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JSR SETPRFX
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JSR DISCONN
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