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The Human Code Machine
Registered: Sep 2005
Posts: 110 |
Dasm rorg directive
Hi, I'm looking for a DASM cross assembler version newer than 2.12 for DOS/Win with correctly working rorg directive. All newer versions I found on the net can't assemble the lower attached test source. I found it ages ago on one of the famous Fred Fish disks and I don't want to switch to another one :( I tried to contact one of the new maintainers, but I got no response. Anybody here has a working version or knows the dasm sourcecode a bit and has time to fix it?
processor 6502
org $c000
Main subroutine
sei
jsr Test
jmp nmi
Test subroutine
ldx #nmi_end-nmi_start-1
.loop lda nmi_start,x
sta nmi,x
dex
bpl .loop
rts
nmi_start subroutine
RORG $02
nmi subroutine
.1 INC $d020
jmp .1
rend
nmi_end
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Martin Piper
Registered: Nov 2007
Posts: 634 |
This works in ACME:
*=$c000
sei
jsr Test
jmp nmi
Test
ldx #nmi_end-nmi_start-1
.loop lda nmi_start,x
sta+1 nmi,x ; +1 forces 8 bit addressing mode
dex
bpl .loop
rts
nmi_start
!pseudopc $02 {
nmi
.1 INC $d020
jmp .1
rend
}
nmi_end
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chatGPZ
Registered: Dec 2001
Posts: 11119 |
urks, i tried your version ian.... and unfortunately i have to say that it sucks even more than the official one. the program counter seems to get confused under certain circumstances :/
747 9ffa ; BANK 1 Vectors at $fffa
748 9ffa org $9ffa
749 9ffa a0 ff .byte.b $a0,$ff ; NMI
750 9ffc ac ff .byte.b $ac,$ff ; Reset
751 9ffe ac ff .byte.b $ac,$ff ; IRQ
results in:
0000:1FD0 | D0 8D 21 D0 A0 00 B9 72 FF 99 00 02 C8 D0 F7 4C
0000:1FE0 | 00 02 A0 FF AC FF AC FF 4C 12 80 4C 12 80 FF 43
0000:1FF0 | 42 4D A0 00 B9 3B A8 99 00 40 C8 D0 F7 A5 06 F0
the very same file assembled with official 2.20.11 gives the expected (correct) output. so now i can choose between useful error messages and correct output. "great" =P
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iAN CooG
Registered: May 2002
Posts: 3135 |
Quote: urks, i tried your version ian.... and unfortunately i have to say that it sucks even more than the official one. the program counter seems to get confused under certain circumstances :/
747 9ffa ; BANK 1 Vectors at $fffa
748 9ffa org $9ffa
749 9ffa a0 ff .byte.b $a0,$ff ; NMI
750 9ffc ac ff .byte.b $ac,$ff ; Reset
751 9ffe ac ff .byte.b $ac,$ff ; IRQ
results in:
0000:1FD0 | D0 8D 21 D0 A0 00 B9 72 FF 99 00 02 C8 D0 F7 4C
0000:1FE0 | 00 02 A0 FF AC FF AC FF 4C 12 80 4C 12 80 FF 43
0000:1FF0 | 42 4D A0 00 B9 3B A8 99 00 40 C8 D0 F7 A5 06 F0
the very same file assembled with official 2.20.11 gives the expected (correct) output. so now i can choose between useful error messages and correct output. "great" =P
wtf?
org $9ffa
.byte $a0,$ff ; NMI
.byte $ac,$ff ; Reset
.byte $ac,$ff ; IRQ
this assembles just fine. Probably there is more you are not showing? |
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chatGPZ
Registered: Dec 2001
Posts: 11119 |
ofcourse, this is from a large project (mmcr bios). i have to admit that i am not really in the mood to cut it down into a simple testcase right now :) |
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WVL
Registered: Mar 2002
Posts: 886 |
Ehr hold on..
Are you saying you have the sources to the mmcr bios... also for the built-in sidplayer? Willing to share (if you are allowed?) so we can fix that thing? |
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chatGPZ
Registered: Dec 2001
Posts: 11119 |
i can't share - but i *am* fixing it, just right now =) |
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Ninja
Registered: Jan 2002
Posts: 404 |
gpz: Hint: You know that RR development was the main reason for Doc Bacardi to create DreamAss ;) |
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iAN CooG
Registered: May 2002
Posts: 3135 |
Quote: ofcourse, this is from a large project (mmcr bios). i have to admit that i am not really in the mood to cut it down into a simple testcase right now :)
I fear some reversed org addresses can cause errors.
Make sure the lowest org is declared 1st.
Also raising the number of build passes can help resolving labels declared later in the source. |
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chatGPZ
Registered: Dec 2001
Posts: 11119 |
Quote:gpz: Hint: You know that RR development was the main reason for Doc Bacardi to create DreamAss ;)
hehe well, i don't really feel like converting the source to another assembler :) (and then i'd choose ca65 =P) |
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Ninja
Registered: Jan 2002
Posts: 404 |
:D
Well, as long as there is a new binary for all of us at the end of the day. Oh. and what WVL said! ;)
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