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starting branch for adding the missing undocumented opcodes

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This commit is contained in:
mrdudz 2014-11-19 22:04:32 +01:00
parent 156f405774
commit 202a2d677b
7 changed files with 584 additions and 31 deletions
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2
src/ca65/instr.c
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@ -783,7 +783,7 @@ static const InsTable* InsTabs[CPU_COUNT] = {
const InsTable* InsTab = (const InsTable*) &InsTab6502;
/* Table to build the effective 65xx opcode from a base opcode and an
** addressing mode.
** addressing mode. (The value in the table is ORed with the base opcode)
*/
static unsigned char EATab[10][AM65I_COUNT] = {
{ /* Table 0 */

2
testcode/assembler/.gitignore vendored Normal file
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@ -0,0 +1,2 @@
chkillegal.bin
chklegal.bin

19
testcode/assembler/Makefile Normal file
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@ -0,0 +1,19 @@
all: chklegal.bin chkillegal.bin
@#
.PHONY: chklegal.bin chkillegal.bin
chklegal.bin: legal.s
../../bin/cl65 --target none --cpu 6502X -o chklegal.bin legal.s
diff legal.ref chklegal.bin
chkillegal.bin: illegal.s
../../bin/cl65 --target none --cpu 6502X -o chkillegal.bin illegal.s
ref: legal.s
../../bin/cl65 --target none --cpu 6502X -o legal.ref legal.s
clean:
rm -f legal.o chklegal.bin
rm -f illegal.o chkillegal.bin

255
testcode/assembler/all.s Normal file
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@ -0,0 +1,255 @@
brk ; 00
ora ($12,x) ; 01 12
jam ; 02
slo ($12,x) ; 03 12
noop $12 ; 04 12
ora $12 ; 05 12
asl $12 ; 06 12
slo $12 ; 07 12
php ; 08
ora #$12 ; 09 12
asl a ; 0a
anc #$12 ; 0b 12
noop $1234 ; 0c 34 12
ora $1234 ; 0d 34 12
asl $1234 ; 0e 34 12
slo $1234 ; 0f 34 12
bpl $101c ; 10 12
ora ($12),y ; 11 12
jam ; 12
slo ($12),y ; 13 12
noop $12,x ; 14 12
ora $12,x ; 15 12
asl $12,x ; 16 12
slo $12,x ; 17 12
clc ; 18
ora $1234,y ; 19 34 12
noop ; 1a
slo $1234,y ; 1b 34 12
noop $1234,x ; 1c 34 12
ora $1234,x ; 1d 34 12
asl $1234,x ; 1e 34 12
slo $1234,x ; 1f 34 12
jsr $1234 ; 20 34 12
and ($12,x) ; 21 12
jam ; 22
rla ($12,x) ; 23 12
bit $12 ; 24 12
and $12 ; 25 12
rol $12 ; 26 12
rla $12 ; 27 12
plp ; 28
and #$12 ; 29 12
rol a ; 2a
anc #$12 ; 2b 12
bit $1234 ; 2c 34 12
and $1234 ; 2d 34 12
rol $1234 ; 2e 34 12
rla $1234 ; 2f 34 12
bmi $107c ; 30 12
and ($12),y ; 31 12
jam ; 32
rla ($12),y ; 33 12
noop $12,x ; 34 12
and $12,x ; 35 12
rol $12,x ; 36 12
rla $12,x ; 37 12
sec ; 38
and $1234,y ; 39 34 12
noop ; 3a
rla $1234,y ; 3b 34 12
noop $1234,x ; 3c 34 12
and $1234,x ; 3d 34 12
rol $1234,x ; 3e 34 12
rla $1234,x ; 3f 34 12
rti ; 40
eor ($12,x) ; 41 12
jam ; 42
sre ($12,x) ; 43 12
noop $12 ; 44 12
eor $12 ; 45 12
lsr $12 ; 46 12
sre $12 ; 47 12
pha ; 48
eor #$12 ; 49 12
lsr a ; 4a
asr #$12 ; 4b 12
jmp $1234 ; 4c 34 12
eor $1234 ; 4d 34 12
lsr $1234 ; 4e 34 12
sre $1234 ; 4f 34 12
bvc $10dc ; 50 12
eor ($12),y ; 51 12
jam ; 52
sre ($12),y ; 53 12
noop $12,x ; 54 12
eor $12,x ; 55 12
lsr $12,x ; 56 12
sre $12,x ; 57 12
cli ; 58
eor $1234,y ; 59 34 12
noop ; 5a
sre $1234,y ; 5b 34 12
noop $1234,x ; 5c 34 12
eor $1234,x ; 5d 34 12
lsr $1234,x ; 5e 34 12
sre $1234,x ; 5f 34 12
rts ; 60
adc ($12,x) ; 61 12
jam ; 62
rra ($12,x) ; 63 12
noop $12 ; 64 12
adc $12 ; 65 12
ror $12 ; 66 12
rra $12 ; 67 12
pla ; 68
adc #$12 ; 69 12
ror a ; 6a
arr #$12 ; 6b 12
jmp ($1234) ; 6c 34 12
adc $1234 ; 6d 34 12
ror $1234 ; 6e 34 12
rra $1234 ; 6f 34 12
bvs $113c ; 70 12
adc ($12),y ; 71 12
jam ; 72
rra ($12),y ; 73 12
noop $12,x ; 74 12
adc $12,x ; 75 12
ror $12,x ; 76 12
rra $12,x ; 77 12
sei ; 78
adc $1234,y ; 79 34 12
noop ; 7a
rra $1234,y ; 7b 34 12
noop $1234,x ; 7c 34 12
adc $1234,x ; 7d 34 12
ror $1234,x ; 7e 34 12
rra $1234,x ; 7f 34 12
noop #$12 ; 80 12
sta ($12,x) ; 81 12
noop #$12 ; 82 12
sax ($12,x) ; 83 12
sty $12 ; 84 12
sta $12 ; 85 12
stx $12 ; 86 12
sax $12 ; 87 12
dey ; 88
noop #$12 ; 89 12
txa ; 8a
ane #$12 ; 8b 12
sty $1234 ; 8c 34 12
sta $1234 ; 8d 34 12
stx $1234 ; 8e 34 12
sax $1234 ; 8f 34 12
bcc $119c ; 90 12
sta ($12),y ; 91 12
jam ; 92
sha ($12),y ; 93 12
sty $12,x ; 94 12
sta $12,x ; 95 12
stx $12,y ; 96 12
sax $12,y ; 97 12
tya ; 98
sta $1234,y ; 99 34 12
txs ; 9a
shs $1234,y ; 9b 34 12
shy $1234,x ; 9c 34 12
sta $1234,x ; 9d 34 12
shx $1234,y ; 9e 34 12
sha $1234,y ; 9f 34 12
ldy #$12 ; a0 12
lda ($12,x) ; a1 12
ldx #$12 ; a2 12
lax ($12,x) ; a3 12
ldy $12 ; a4 12
lda $12 ; a5 12
ldx $12 ; a6 12
lax $12 ; a7 12
tay ; a8
lda #$12 ; a9 12
tax ; aa
lxa #$12 ; ab 12
ldy $1234 ; ac 34 12
lda $1234 ; ad 34 12
ldx $1234 ; ae 34 12
lax $1234 ; af 34 12
bcs $11fc ; b0 12
lda ($12),y ; b1 12
jam ; b2
lax ($12),y ; b3 12
ldy $12,x ; b4 12
lda $12,x ; b5 12
ldx $12,y ; b6 12
lax $12,y ; b7 12
clv ; b8
lda $1234,y ; b9 34 12
tsx ; ba
las $1234,y ; bb 34 12
ldy $1234,x ; bc 34 12
lda $1234,x ; bd 34 12
ldx $1234,y ; be 34 12
lax $1234,y ; bf 34 12
cpy #$12 ; c0 12
cmp ($12,x) ; c1 12
noop #$12 ; c2 12
dcp ($12,x) ; c3 12
cpy $12 ; c4 12
cmp $12 ; c5 12
dec $12 ; c6 12
dcp $12 ; c7 12
iny ; c8
cmp #$12 ; c9 12
dex ; ca
sbx #$12 ; cb 12
cpy $1234 ; cc 34 12
cmp $1234 ; cd 34 12
dec $1234 ; ce 34 12
dcp $1234 ; cf 34 12
bne $125c ; d0 12
cmp ($12),y ; d1 12
jam ; d2
dcp ($12),y ; d3 12
noop $12,x ; d4 12
cmp $12,x ; d5 12
dec $12,x ; d6 12
dcp $12,x ; d7 12
cld ; d8
cmp $1234,y ; d9 34 12
noop ; da
dcp $1234,y ; db 34 12
noop $1234,x ; dc 34 12
cmp $1234,x ; dd 34 12
dec $1234,x ; de 34 12
dcp $1234,x ; df 34 12
cpx #$12 ; e0 12
sbc ($12,x) ; e1 12
noop #$12 ; e2 12
isb ($12,x) ; e3 12
cpx $12 ; e4 12
sbc $12 ; e5 12
inc $12 ; e6 12
isb $12 ; e7 12
inx ; e8
sbc #$12 ; e9 12
nop ; ea
usbc #$12 ; eb 12
cpx $1234 ; ec 34 12
sbc $1234 ; ed 34 12
inc $1234 ; ee 34 12
isb $1234 ; ef 34 12
beq $12bc ; f0 12
sbc ($12),y ; f1 12
jam ; f2
isb ($12),y ; f3 12
noop $12,x ; f4 12
sbc $12,x ; f5 12
inc $12,x ; f6 12
isb $12,x ; f7 12
sed ; f8
sbc $1234,y ; f9 34 12
isb $1234,y ; fb 34 12
noop $1234,x ; fc 34 12
sbc $1234,x ; fd 34 12
inc $1234,x ; fe 34 12
isb $1234,x ; ff 34 12

153
testcode/assembler/illegal.s
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@ -1,43 +1,136 @@
.setcpu "6502X"
; first all totally staple undocs:
.macro test opc
slo $12 ; 07 12
slo $1234 ; 0f 34 12
slo $1234,x ; 1f 34 12
slo $1234,y ; 1b 34 12
slo ($12,x) ; 03 12
slo $12,x ; 17 12
slo ($12),y ; 13 12
opc $00
opc $00,x
opc ($00,x)
opc ($00),y
opc $1234
opc $1234,x
opc $1234,y
rla $12 ; 27 12
rla $1234 ; 2f 34 12
rla $1234,x ; 3f 34 12
rla $1234,y ; 3b 34 12
rla ($12,x) ; 23 12
rla $12,x ; 37 12
rla ($12),y ; 33 12
.endmacro
sre $1234 ; 4f 34 12
sre $1234,x ; 5f 34 12
sre $1234,y ; 5b 34 12
sre $12 ; 47 12
sre ($12,x) ; 43 12
sre $12,x ; 57 12
sre ($12),y ; 53 12
rra $1234 ; 6f 34 12
rra $1234,x ; 7f 34 12
rra $1234,y ; 7b 34 12
rra $12 ; 67 12
rra ($12,x) ; 63 12
rra $12,x ; 77 12
rra ($12),y ; 73 12
dcp $1234 ; cf 34 12
dcp $1234,x ; df 34 12
dcp $1234,y ; db 34 12
dcp $12 ; c7 12
dcp ($12,x) ; c3 12
dcp $12,x ; d7 12
dcp ($12),y ; d3 12
isc $1234 ; ef 34 12
isc $1234,x ; ff 34 12
isc $1234,y ; fb 34 12
isc $12 ; e7 12
isc ($12,x) ; e3 12
isc $12,x ; f7 12
isc ($12),y ; f3 12
sax $1234 ; 8f 34 12
sax $12 ; 87 12
sax ($12,x) ; 83 12
sax $12,y ; 97 12
lax $1234 ; af 34 12
lax $1234,y ; bf 34 12
lax $12 ; a7 12
lax ($12,x) ; a3 12
lax ($12),y ; b3 12
lax $12,y ; b7 12
test slo
test rla
test sre
test rra
test dcp
test isc
anc #$12 ; 0b 12
;anc #$12 ; 2b 12
sax $00
sax $00,y
sax ($00,x)
sax $1234
arr #$12 ; 6b 12
lax $00
lax $00,y
lax ($00,x)
lax ($00),y
lax $1234
lax $1234,y
alr #$12 ; 4b 12
anc #$55
alr #$55
arr #$55
axs #$55
axs #$12 ; cb 12
las $1234,y
; nop $12 ; 04 12
; nop $1234 ; 0c 34 12
; nop $1234,x ; 1c 34 12
; nop $1234,x ; 3c 34 12
; nop $1234,x ; 5c 34 12
; nop $1234,x ; 7c 34 12
; nop $1234,x ; dc 34 12
; nop $1234,x ; fc 34 12
; nop $12 ; 44 12
; nop $12 ; 64 12
; nop #$12 ; 80 12
; nop #$12 ; 82 12
; nop #$12 ; 89 12
; nop #$12 ; c2 12
; nop #$12 ; e2 12
; nop $12,x ; 14 12
; nop $12,x ; 34 12
; nop $12,x ; 54 12
; nop $12,x ; 74 12
; nop $12,x ; d4 12
; nop $12,x ; f4 12
; nop ; 1a
; nop ; 3a
; nop ; 5a
; nop ; 7a
; nop ; da
; jam ; 02
; jam ; 12
; jam ; 22
; jam ; 32
; jam ; 42
; jam ; 52
; jam ; 62
; jam ; 72
; jam ; 92
; jam ; b2
; jam ; d2
; jam ; f2
;sbc #$12 ; eb 12
; and the so called "unstable" ones:
las $1234,y ; bb 34 12
; sha $1234,y ; 9f 34 12
; sha ($12),y ; 93 12
; shs $1234,y ; 9b 34 12
; shx $1234,y ; 9e 34 12
; shy $1234,x ; 9c 34 12
; the two "highly unstable" ones:
; lax #$12 ; ab 12
; ane #$12 ; 8b 12

BIN
testcode/assembler/legal.ref Normal file
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Binary file not shown.

184
testcode/assembler/legal.s Normal file
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@ -0,0 +1,184 @@
adc $1234 ; 6d 34 12
adc $1234,x ; 7d 34 12
adc $1234,y ; 79 34 12
adc $12 ; 65 12
adc #$12 ; 69 12
adc ($12,x) ; 61 12
adc $12,x ; 75 12
adc ($12),y ; 71 12
and $12 ; 25 12
and #$12 ; 29 12
and $1234 ; 2d 34 12
and $1234,x ; 3d 34 12
and $1234,y ; 39 34 12
and ($12,x) ; 21 12
and $12,x ; 35 12
and ($12),y ; 31 12
asl $12 ; 06 12
asl $1234 ; 0e 34 12
asl $1234,x ; 1e 34 12
asl $12,x ; 16 12
asl a ; 0a
bcc *+$12 ; 90 12
bcs *+$12 ; b0 12
beq *+$12 ; f0 12
bit $12 ; 24 12
bit $1234 ; 2c 34 12
bmi *+$12 ; 30 12
bne *+$12 ; d0 12
bpl *+$12 ; 10 12
brk ; 00
bvc *+$12 ; 50 12
bvs *+$12 ; 70 12
clc ; 18
cld ; d8
cli ; 58
clv ; b8
cmp $1234 ; cd 34 12
cmp $1234,x ; dd 34 12
cmp $1234,y ; d9 34 12
cmp $12 ; c5 12
cmp #$12 ; c9 12
cmp ($12,x) ; c1 12
cmp $12,x ; d5 12
cmp ($12),y ; d1 12
cpx $1234 ; ec 34 12
cpx #$12 ; e0 12
cpx $12 ; e4 12
cpy $1234 ; cc 34 12
cpy #$12 ; c0 12
cpy $12 ; c4 12
dec $1234 ; ce 34 12
dec $1234,x ; de 34 12
dec $12 ; c6 12
dec $12,x ; d6 12
dex ; ca
dey ; 88
eor $1234 ; 4d 34 12
eor $1234,x ; 5d 34 12
eor $1234,y ; 59 34 12
eor $12 ; 45 12
eor #$12 ; 49 12
eor ($12,x) ; 41 12
eor $12,x ; 55 12
eor ($12),y ; 51 12
inc $1234 ; ee 34 12
inc $1234,x ; fe 34 12
inc $12 ; e6 12
inc $12,x ; f6 12
inx ; e8
iny ; c8
jmp $1234 ; 4c 34 12
jmp ($1234) ; 6c 34 12
jsr $1234 ; 20 34 12
lda $1234 ; ad 34 12
lda $1234,x ; bd 34 12
lda $1234,y ; b9 34 12
lda $12 ; a5 12
lda #$12 ; a9 12
lda ($12,x) ; a1 12
lda $12,x ; b5 12
lda ($12),y ; b1 12
ldx $1234 ; ae 34 12
ldx $1234,y ; be 34 12
ldx #$12 ; a2 12
ldx $12 ; a6 12
ldx $12,y ; b6 12
ldy $1234 ; ac 34 12
ldy $1234,x ; bc 34 12
ldy #$12 ; a0 12
ldy $12 ; a4 12
ldy $12,x ; b4 12
lsr $1234 ; 4e 34 12
lsr $1234,x ; 5e 34 12
lsr $12 ; 46 12
lsr $12,x ; 56 12
lsr a ; 4a
nop ; ea
ora $12 ; 05 12
ora #$12 ; 09 12
ora $1234 ; 0d 34 12
ora $1234,x ; 1d 34 12
ora $1234,y ; 19 34 12
ora ($12,x) ; 01 12
ora $12,x ; 15 12
ora ($12),y ; 11 12
pha ; 48
php ; 08
pla ; 68
plp ; 28
rol $12 ; 26 12
rol $1234 ; 2e 34 12
rol $1234,x ; 3e 34 12
rol $12,x ; 36 12
rol a ; 2a
ror $1234 ; 6e 34 12
ror $1234,x ; 7e 34 12
ror $12 ; 66 12
ror $12,x ; 76 12
ror a ; 6a
rti ; 40
rts ; 60
sbc $1234 ; ed 34 12
sbc $1234,x ; fd 34 12
sbc $1234,y ; f9 34 12
sbc $12 ; e5 12
sbc #$12 ; e9 12
sbc ($12,x) ; e1 12
sbc $12,x ; f5 12
sbc ($12),y ; f1 12
sec ; 38
sed ; f8
sei ; 78
sta $1234 ; 8d 34 12
sta $1234,x ; 9d 34 12
sta $1234,y ; 99 34 12
sta $12 ; 85 12
sta ($12,x) ; 81 12
sta $12,x ; 95 12
sta ($12),y ; 91 12
stx $1234 ; 8e 34 12
stx $12 ; 86 12
stx $12,y ; 96 12
sty $1234 ; 8c 34 12
sty $12 ; 84 12
sty $12,x ; 94 12
tax ; aa
tay ; a8
tsx ; ba
txa ; 8a
txs ; 9a
tya ; 98