mirror of
https://github.com/rigreco/UniDisk.git
synced 2025-04-04 04:29:28 +00:00
Finally Works, fix the Bug.
It's due to not reset the Unidisk PC value to 00 05 from 3C 05, after execution second time read operation.
This commit is contained in:
rigreco
parent
71231e1917
commit
239000d726
37
AppleII/Chksum.asm
Normal file
37
AppleII/Chksum.asm
Normal file
@ -0,0 +1,37 @@
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* @com.wudsn.ide.asm.hardware=APPLE2
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COut equ $FDED
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PTR equ $EB
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STARTCHK lda #<STARTCHK
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sta PTR
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lda #>STARTCHK
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sta PTR+1
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ldy #$00
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lda #$00
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pha
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LOOP pla
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eor (PTR),y
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pha
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inc PTR
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bne CHK
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inc PTR+1
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CHK lda PTR+1
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cmp #>PROGEND
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bcc LOOP
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lda PTR
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cmp #<PROGEND
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bcc LOOP
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beq LOOP
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CHKCS pla
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cmp CHKSUM
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bne ERROR
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REALSTART lda #0
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inc A
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sta $FA
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PROGEND rts
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CHKSUM chk
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ERROR sta CHKCALC
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lda #"E"
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jsr COut
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rts
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CHKCALC dfb $00
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@ -22,7 +22,7 @@ FP2 equ $EC
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** Applesoft FP Accumulator 5 Byte + 1 Byte Sign **
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FAC equ $9D
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** Variabile Memory location $0380 **
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RSLT equ $7000
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***************************
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@ -88,16 +88,16 @@ CONT lda FAC+2
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*
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** FP1 to FAC conversion **
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*
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ENTRY2 lda FP1 ; X1 1 Byte --> 9D FAC
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ENTRY2 lda RSLT ; X1 1 Byte --> 9D FAC
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inc A ; 2^(FP1+1) inc EXP
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sta FAC
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lda FP1+1
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lda RSLT+1
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bmi NEG2 ; chk the Hi bit of 1 byte Mantissa
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POS2 clc
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lda FP1+1 ; M1 Hi 2 Byte --> 9E FAC
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lda RSLT+1 ; M1 Hi 2 Byte --> 9E FAC
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rol ; Multiply for 2^1
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ora #$80 ; Set Hi Bit 1 byte Mantissa (change Sign only if is positive)
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@ -106,7 +106,7 @@ POS2 clc
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;sta FAC+5 ; To 1^ Byte Mantissa of FAC UnPacked
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jmp CONT2
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NEG2 lda FP1+1
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NEG2 lda RSLT+1
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sec
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sbc #01 ; One's complement inv -1
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@ -118,11 +118,11 @@ NEG2 lda FP1+1
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sta FAC+5 ; To 6^ Byte of FAC Unpacked
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CONT2 lda FP1+2 ; M1 3 Byte --> 9F FAC
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CONT2 lda RSLT+2 ; M1 3 Byte --> 9F FAC
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rol
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sta FAC+2
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lda FP1+3 ; M1 Lo 4 Byte --> A0 FAC
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lda RSLT+3 ; M1 Lo 4 Byte --> A0 FAC
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rol
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sta FAC+3
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@ -132,9 +132,6 @@ CONT2 lda FP1+2 ; M1 3 Byte --> 9F FAC
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;brk
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***************************
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*
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;ldy #$03 ;Hi Byte MEM
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;lda #$80 ;Lo Byte MEM
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*
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jsr CHKCOM
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jsr PTRGET ; Return the Y and A pointing to the specific variabile
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@ -142,4 +139,5 @@ CONT2 lda FP1+2 ; M1 3 Byte --> 9F FAC
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jsr MOVMF ;FAC->VARIABLE Y (5 Bytes Packed)
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;brk
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rts
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rts
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chk
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@ -28,7 +28,7 @@ ZPTempH equ $0007
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** Zero page storage **
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N1 equ $FA ;25 4 Byte FP FA--FD (FP1)
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N2 equ $EC ;27 4 Byte FP EC--EF (FP2)
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; RSLT equ $1D ;29
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RSLT equ $7000 ;29
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*** Monitor routines ***
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COut equ $FDED ;Console output ASCII
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CROut equ $FD8E ;Carriage return
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@ -87,31 +87,32 @@ Message asc 'NO PC OR NO DEVICE'
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** Set the Input Value first in Dynamic data **
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** 4 Byte N1 to FP1 **
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EXEC lda N1 ;X1
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sta $622F ; Absolute addressing
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sta $6238 ; Absolute addressing
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lda N1+1 ;M1 (1)
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sta $6230
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sta $6239
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lda N1+2 ;M1 (2)
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sta $6231
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sta $623A
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lda N1+3 ;M1 (3)
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sta $6232
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sta $623B
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** 4 Byte N2 to FP2 **
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lda N2 ;X2
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sta $6233
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sta $623C
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lda N2+1 ;M2 (1)
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sta $6234
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sta $623D
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lda N2+2 ;M2 (2)
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sta $6235
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sta $623E
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lda N2+3 ;M2 (3)
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sta $6236
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sta $623F
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*** Download ***
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jsr Dispatch
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dfb ControlCmd
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dw DOWNLOAD
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** Set Unidisk Registers **
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* lda #01 ;First time
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* sta UNIAcc_reg
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* ;First time execution
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lda #$00 ; Target the first time entry point
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sta LowPC_reg ; First time set init value of PC, just for the next execution
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* The program begin to PC preset to $0500 *
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*
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** Execute **
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@ -128,11 +129,11 @@ READ jsr Dispatch
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* First time execute *
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lda UNIAcc_reg
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sta N1
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sta RSLT
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lda UNIX_reg
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sta N1+1 ; Store the result
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sta RSLT+1 ; Store the result
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lda UNIY_reg
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sta N1+2
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sta RSLT+2
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** Second time execute **
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lda #$3C ; Target the secont time entry point
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@ -149,7 +150,7 @@ READ jsr Dispatch
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* Second time execute only to read the latest Byte of FP1*
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lda UNIAcc_reg
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sta N1+3
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sta RSLT+3
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*
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rts
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@ -20,42 +20,61 @@
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*
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*
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* @com.wudsn.ide.asm.hardware=APPLE2
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*
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* Protocol Converter Call
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XC
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** CHKSUM Pointer *
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PTR equ $08
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** Protocol Converter Call
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ZPTempL equ $0006 ;Temporary zero page storage
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ZPTempH equ $0007
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** Zero page storage **
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N1 equ $FA ;25 4 Byte FP FA--FD (FP1)
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N2 equ $EC ;27 4 Byte FP EC--EF (FP2)
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; RSLT equ $1D ;29
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RSLT equ $7000 ;29
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*** Monitor routines ***
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COut equ $FDED ;Console output ASCII
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CROut equ $FD8E ;Carriage return
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** Command Code **
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StatusCmd equ 0
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** Status Code **
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* StatusDIB equ 3
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StatusUNI equ 5
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*
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ControlCmd equ 4
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** Control Codes **
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Eject equ 4
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Run equ 5
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SetDWLoad equ 6
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DWLoad equ 7
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*
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org $6000
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*****************************************************
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************** CHKSUM MAIN Routine ******************
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*
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STARTCHK lda #<STARTCHK
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sta PTR
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lda #>STARTCHK
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sta PTR+1
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ldy #$00
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lda #$00
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pha
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LOOP pla
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eor (PTR),y
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pha
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inc PTR
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bne CHK
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inc PTR+1
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CHK lda PTR+1
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cmp #>PROGEND
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bcc LOOP
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lda PTR
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cmp #<PROGEND
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bcc LOOP
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beq LOOP
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CHKCS pla
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cmp CHKSUM
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bne ERRCHK
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***********************************************
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* Find a Protocol Converter in one of the slots.
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START jsr FindPC
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bcs Error
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*** Eject ***
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; jsr Dispatch
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; dfb ControlCmd
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; dw E_JECT
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*** Set Address ***
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jsr Dispatch
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dfb ControlCmd
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@ -63,7 +82,14 @@ START jsr FindPC
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*
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jsr EXEC ; Jump the Error routine
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rts
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*********************************************
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**************** CHKSUM ERROR Routine ***************
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*
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ERRCHK sta CHKCALC
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lda #"E"
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jsr COut
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rts
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CHKCALC dfb $00
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**************** PROTOCOL CONVERTER ERROR Routine ***
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Error equ *
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*
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* There is either no PC around, or there was no give message
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@ -81,7 +107,7 @@ errout equ *
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*
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Message asc 'NO PC OR NO DEVICE'
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dfb $8D,0
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*********************************************
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*******************************************************
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*
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** Set the Input Value first in Dynamic data **
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@ -111,8 +137,9 @@ EXEC lda N1 ;X1
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dfb ControlCmd
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dw DOWNLOAD
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** Set Unidisk Registers **
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* lda #01 ;First time
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* sta UNIAcc_reg
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;First time execution
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lda #$00 ; Target the first time entry point
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sta LowPC_reg ; First time set init value of PC, just for the next execution
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* The program begin to PC preset to $0500 *
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*
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** Execute **
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@ -129,14 +156,14 @@ READ jsr Dispatch
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* First time execute *
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lda UNIAcc_reg
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sta N1
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sta RSLT
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lda UNIX_reg
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sta N1+1 ; Store the result
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sta RSLT+1 ; Store the result
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lda UNIY_reg
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sta N1+2
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sta RSLT+2
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** Second time execute **
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lda #$3C ; Target the secont time entry point
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lda #$3C ; Target the second time entry point
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sta LowPC_reg ; Second time set new value of PC
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** Execute **
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jsr Dispatch
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@ -150,10 +177,10 @@ READ jsr Dispatch
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* Second time execute only to read the latest Byte of FP1*
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lda UNIAcc_reg
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sta N1+3
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sta RSLT+3
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*
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rts
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PROGEND rts
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CHKSUM chk
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******************************************************
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FindPC equ *
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*
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@ -257,20 +284,10 @@ EXE equ *
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dfb 1
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dw CNTL_LIST2
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dfb Run
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*** Eject ***
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;E_JECT equ *
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; dfb 3
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; dfb 1
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; dw CNTL_LIST1
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; dfb Eject
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*
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******** CONTROL LISTS ********
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*
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*
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*** Eject ***
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CNTL_LIST1 equ *
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dw $0000
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*
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*** Execute ***
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CNTL_LIST2 equ *
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Clow_byte dfb $06
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@ -306,4 +323,5 @@ FP1 dfb $00
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FP2 dfb $00
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dfb $00
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dfb $00
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dfb $00
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dfb $00
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**************** End UNIDISK Program ****************
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