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This commit is contained in:
Michael Steil 2008-10-07 08:47:13 +00:00
parent 2cc8d61b63
commit 9179ccde67
2 changed files with 121 additions and 13 deletions
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2
defines_cbm.s
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@ -80,7 +80,7 @@ TXTPTR := $00C9
L00CF := $00CF
RNDSEED := $00DA
.else
Z00 := $0200;0000
Z00 := $0000
L0001 := $0001
L0002 := $0002
GOWARM := $0003

132
msbasic.s
View File

@ -717,7 +717,11 @@ PARSE_INPUT_LINE:
ldy #$04
sty DATAFLG
L246C:
.ifdef CBM2
lda $0200,x
.else
lda Z00,x
.endif
.ifdef CBM
bpl LC49E
cmp #$FF
@ -758,8 +762,10 @@ L2496:
L2497:
inx
L2498:
.ifdef CBM2
lda $0200,x
.else
lda Z00,x
.ifndef CBM2
cmp #$20
beq L2497
.endif
@ -3322,7 +3328,7 @@ L3124:
tay
lda STRNG2
.else
.ifndef CBM
.ifndef CBM1
sta STRNG2+1
.endif
ldx #$05
@ -3413,6 +3419,11 @@ ERRDIR:
inx
bne RTS9
ldx #ERR_ILLDIR
.ifdef CBM2
.byte $2C
LD288:
ldx #ERR_UNDEFFN
.endif
L31AF:
jmp ERROR
DEF:
@ -3461,13 +3472,20 @@ L31F3:
pla
sta FNCNAM+1
ldy #$02
.ifndef CBM2
ldx #ERR_UNDEFFN
.endif
lda (FNCNAM),y
.ifndef CBM2
beq L31AF
.endif
sta VARPNT
tax
iny
lda (FNCNAM),y
.ifdef CBM2
beq LD288
.endif
sta VARPNT+1
.ifndef OSI
iny
@ -3579,7 +3597,12 @@ L32AA:
L32B6:
stx STRNG2+1
lda STRNG1+1
.ifdef CBM2
beq LD399
cmp #$02
.endif
bne PUTNEW
LD399:
tya
jsr STRINI
ldx STRNG1
@ -3602,6 +3625,9 @@ PUTEMP:
ldy #$00
stx FAC_LAST-1
sty FAC_LAST
.ifdef CBM2
sty $6D
.endif
dey
sty VALTYP
stx LASTPT
@ -3651,6 +3677,9 @@ FINDHIGHESTSTRING:
sta FRETOP+1
ldy #$00
sty FNCNAM+1
.ifdef CBM2
sty $4B
.endif
lda STREND
ldx STREND+1
sta LOWTR
@ -3722,7 +3751,7 @@ L3376:
.endif
iny
lda (INDEX),y
.ifdef CBM
.ifdef CBM1
jsr LE7F3
.else
.ifndef OSI
@ -3794,10 +3823,15 @@ L33FA:
ldy #$00
rts
MOVE_HIGHEST_STRING_TO_TOP:
.ifdef CBM2
lda FNCNAM+1
ora $4B
.else
ldx FNCNAM+1
.endif
beq L33FA
lda JMPADRS+1
.ifdef CBM
.ifdef CBM1
sbc #$03
.else
and #$04
@ -3997,6 +4031,9 @@ MIDSTR:
jsr GETBYT
L353F:
jsr SUBSTRING_SETUP
.ifdef CBM2
beq GOIQ
.endif
dex
txa
pha
@ -4037,7 +4074,9 @@ SUBSTRING_SETUP:
.endif
ldy #$00
txa
.ifndef CBM2
beq GOIQ
.endif
.ifndef CONFIG_2
inc JMPADRS+1
jmp (JMPADRS+1)
@ -4132,17 +4171,39 @@ GETADR:
sta LINNUM+1
rts
PEEK:
.ifdef CBM2
lda $12
pha
lda $11
pha
.endif
jsr GETADR
ldy #$00
.ifdef CBM
.ifdef CBM1
cmp #$C0
bcc LD6F3
cmp #$E1
bcc LD6F6
LD6F3:
.endif
.ifdef CBM2
nop
nop
nop
nop
nop
nop
nop
nop
.endif
lda (LINNUM),y
tay
.ifdef CBM2
pla
sta $11
pla
sta $12
.endif
LD6F6:
jmp SNGFLT
POKE:
@ -4182,6 +4243,34 @@ FSUBT:
sta STRNG1
lda FAC
jmp FADDT
.ifdef CBM2
LD745:
lda $11
cmp #$66
bne L3628
lda $12
sbc #$19
bne L3628
sta $11
tay
lda #$80
sta $12
LD758:
ldx #$0A
LD75A:
lda MICROSOFT-1,x
and #$3F
sta ($11),y
iny
bne LD766
inc $12
LD766:
dex
bne LD75A
dec $46
bne LD758
rts
.endif
FADD1:
jsr SHIFT_RIGHT
bcc FADD3
@ -4321,7 +4410,7 @@ NORMALIZE_FAC5:
NORMALIZE_FAC6:
inc FAC
beq OVERFLOW
.ifndef CONFIG_2
.ifndef KIM
ror FAC+1
ror FAC+2
ror FAC+3
@ -4434,7 +4523,7 @@ SHIFT_RIGHT:
tay
lda FACEXTENSION
bcs SHIFT_RIGHT5
.ifndef CONFIG_2
.ifndef KIM
LB588:
asl 1,x
bcc LB58E
@ -4617,7 +4706,7 @@ L38A7:
adc ARG+1
sta RESULT
L38C3:
.ifndef CONFIG_2
.ifndef KIM
ror RESULT
ror RESULT+1
ror RESULT+2
@ -5118,7 +5207,7 @@ FIN3:
beq FIN4
bne FIN6
L3BA6:
.ifndef CONFIG_2
.ifndef KIM
ror EXPSGN
.else
lda #$00
@ -5141,7 +5230,7 @@ FIN6:
sbc EXPON
jmp FIN8
FIN10:
.ifndef CONFIG_2
.ifndef KIM
ror LOWTR
.else
lda #$00
@ -5202,13 +5291,22 @@ ADDACC:
GETEXP:
lda EXPON
.ifdef CBM
.ifdef CBM2
cmp #$0A
.else
cmp #$0C
.endif
bcc L3C2C
.ifdef CBM2
lda #$64
.endif
bit EXPSGN
bmi LDC70
jmp OVERFLOW
LDC70:
.ifdef CBM1
lda #$0B
.endif
.else
cmp #$0A
bcc L3C2C
@ -5243,7 +5341,7 @@ CON_BILLION:
CON_99999999_9:
.byte $9B,$3E,$BC,$1F,$FD
CON_999999999:
.ifdef CBM
.ifdef CBM1
.byte $9E,$6E,$6B,$27,$FE
.else
.byte $9E,$6E,$6B,$27,$FD
@ -5819,6 +5917,11 @@ MICROSOFT:
.byte $A6,$D3,$C1,$C8,$D4,$C8,$D5,$C4
.byte $CE,$CA
.endif
.ifdef CBM2
MICROSOFT:
.byte $A1,$54,$46,$8F,$13,$8F,$52
.byte $43,$89,$CD
.endif
.endif
ATN:
lda FACSIGN
@ -5896,13 +5999,14 @@ L4047:
sbc #$D0
L4058:
rts
; random number seed
.ifdef OSI
.byte $80,$4F,$C7,$52
.endif
.ifdef CONFIG_2
.byte $80,$4F,$C7,$52,$58
.endif
.ifdef CBM
.ifdef CBM1
.byte $80,$4F,$C7,$52,$59
.endif
GENERIC_CHRGET_END:
@ -5913,8 +6017,12 @@ COLD_START:
jsr STROUT
.endif
COLD_START2:
.ifdef CBM2
ldx #$FB
.else
ldx #$FF
stx CURLIN+1
.endif
txs
.ifndef CBM
lda #<COLD_START2