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65802 bug fixes

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This commit is contained in:
David Schmenk 2018-03-09 19:50:31 -08:00
parent b0a9cb3e0e
commit ce29a7c361
3 changed files with 49 additions and 41 deletions
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8
src/vmsrc/apple/plvm02.s
View File

@ -348,7 +348,7 @@ CMDENTRY = *
; PRINT FAIL MESSAGE, WAIT FOR KEYPRESS, AND REBOOT
;
FAIL INC $3F4 ; INVALIDATE POWER-UP BYTE
LDY #33
LDY #31
- LDA FAILMSG,Y
ORA #$80
JSR $FDED
@ -1335,12 +1335,12 @@ CASELP CMP (IP),Y
INY
FIXNEXT TYA
LDY #$00
CLC
SEC
ADC IPL
STA IPL
BCC ++
INC IPH
++ JMP NEXTOP
++ JMP FETCHOP
BRAND LDA ESTKL,X
ORA ESTKH,X
BEQ BRNCH
@ -1428,7 +1428,7 @@ _BRLE LDA ESTKL+1,X
BVS +
BPL BRNCH
INX ; DROP FOR VALUES
INX
INX
BNE NOBRNCH ; BMI NOBRNCH
+ BMI BRNCH
BPL -

6
src/vmsrc/apple/plvm03.s
View File

@ -977,12 +977,12 @@ CASELP CMP (IP),Y
INY
FIXNEXT TYA
LDY #$00
CLC
SEC
ADC IPL
STA IPL
BCC ++
INC IPH
++ JMP NEXTOP
++ JMP FETCHOP
BRAND LDA ESTKL,X
ORA ESTKH,X
BEQ BRNCH
@ -1060,7 +1060,7 @@ _BRLE LDA ESTKL+1,X
BVS +
BPL BRNCH
- INX ; DROP FOR VALUES
INX
INX
BNE NOBRNCH ; BMI NOBRNCH
DECBRGE DEC ESTKL,X
LDA ESTKL,X

76
src/vmsrc/apple/plvm802.s
View File

@ -246,28 +246,6 @@ OPTBL !WORD CN,CN,CN,CN,CN,CN,CN,CN ; 00 02
;* ENTER INTO BYTECODE INTERPRETER - IMMEDIATELY SWITCH TO NATIVE
;*
!AS
DINTRP PHP
PLA
STA PSR
SEI
CLC ; SWITCH TO NATIVE MODE
XCE
+ACCMEM16 ; 16 BIT A/M
PLA
INC
STA IP
STX ESP
TSX
STX HWSP
LDX #>OPTBL
!IF DEBUG {
BRA SETDBG
} ELSE {
STX OPPAGE
LDY #$00
JMP FETCHOP
}
!AS
IINTRP PHP
PLA
STA PSR
@ -422,7 +400,7 @@ CMDENTRY = *
; PRINT FAIL MESSAGE, WAIT FOR KEYPRESS, AND REBOOT
;
FAIL INC $3F4 ; INVALIDATE POWER-UP BYTE
LDY #33
LDY #31
- LDA FAILMSG,Y
ORA #$80
JSR $FDED
@ -496,6 +474,28 @@ OPXTBL !WORD CN,CN,CN,CN,CN,CN,CN,CN ; 00 02
!WORD LNOT,ADD,SUB,MUL,DIV,MOD,INCR,DECR ; 80 82 84 86 88 8A 8C 8E
!WORD NEG,COMP,BAND,IOR,XOR,SHL,SHR,IDXW ; 90 92 94 96 98 9A 9C 9E
!WORD BRGT,BRLT,INCBRLE,ADDBRLE,DECBRGE,SUBBRGE,BRAND,BROR ; A0 A2 A4 A6 A8 AA AC AE
!AS
DINTRP PHP
PLA
STA PSR
SEI
CLC ; SWITCH TO NATIVE MODE
XCE
+ACCMEM16 ; 16 BIT A/M
PLA
INC
STA IP
STX ESP
TSX
STX HWSP
LDX #>OPTBL
!IF DEBUG {
JMP SETDBG
} ELSE {
STX OPPAGE
LDY #$00
JMP FETCHOP
}
;*********************************************************************
;*
;* CODE BELOW HERE DEFAULTS TO NATIVE 16 BIT A/M, 8 BIT X,Y
@ -1173,7 +1173,7 @@ ISLT PLA
;* BRANCHES
;*
SEL TYA ; FLATTEN IP
CLC
SEC
ADC IP
INY ;+INC_IP
;CLC ; ADD BRANCH OFFSET (BETTER NOT CARRY OUT OF IP+Y)
@ -1182,37 +1182,42 @@ SEL TYA ; FLATTEN IP
LDY #$00
LDA (IP),Y
TAX ; CASE COUNT
PLA
CPX #$00
BEQ ++
INC IP
PLA
CASELP CMP (IP),Y
BEQ +++
DEX
BEQ +
INY
INY
INY
INY
BNE +
BNE CASELP
+ACCMEM8 ; 8 BIT A/M
INC IPH
+ACCMEM16 ; 16 BIT A/M
+ DEX
BEQ CASELP
BRA CASELP
+ INY
INY
INY
FIXNEXT TYA
LDY #$00
SEC
ADC IP
STA IP
++ JMP NEXTOP
++ JMP FETCHOP
+++ INY
BRA BRNCH
BRAND LDA TOS,S
BEQ BRNCH
PLA ; DROP LEFT HALF OF AND
BNE NOBRNCH
BRA NOBRNCH
BROR LDA TOS,S
BNE BRNCH
PLA ; DROP LEFT HALF OF OR
BNE NOBRNCH
BRA NOBRNCH
BRTRU PLA
BNE BRNCH
NOBRNCH INY ;+INC_IP
@ -1273,7 +1278,7 @@ _BRLE LDA NOS,S
BVS +
BPL BRNCH
PLA ; DROP FOR VALUES
PLA
PLA
BNE NOBRNCH ; BMI NOBRNCH
+ BMI BRNCH
PLA ; DROP FOR VALUES
@ -1689,6 +1694,9 @@ DBGTBL !WORD STEP,STEP,STEP,STEP,STEP,STEP,STEP,STEP ; 00 02 04 06 08
!WORD STEP,STEP,STEP,STEP,STEP,STEP,STEP,STEP ; 50 52 54 56 58 5A 5C 5E
!WORD STEP,STEP,STEP,STEP,STEP,STEP,STEP,STEP ; 60 62 64 66 68 6A 6C 6E
!WORD STEP,STEP,STEP,STEP,STEP,STEP,STEP,STEP ; 70 72 74 76 78 7A 7C 7E
!WORD STEP,STEP,STEP,STEP,STEP,STEP,STEP,STEP ; 80 82 84 86 88 8A 8C 8E
!WORD STEP,STEP,STEP,STEP,STEP,STEP,STEP,STEP ; 90 92 94 96 98 9A 9C 9E
!WORD STEP,STEP,STEP,STEP,STEP,STEP,STEP,STEP ; A0 A2 A4 A6 A8 AA AC AE
;*
;* DEBUG PRINT ROUTINES
;*
@ -1848,8 +1856,8 @@ STEP STX TMPL
CMP #$10
BCC DBGKEY
LDX TMPL
CPX #$00 ; FORCE PAUSE AT 'ZERO'
BEQ DBGKEY
; CPX #$00 ; FORCE PAUSE AT 'ZERO'
; BEQ DBGKEY
- LDX $C000
CPX #$9B
BNE +