Mercurial > hg > Members > kono > nitros9-code
annotate level1/modules/dwinit.asm @ 2638:4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
author | Boisy Pitre <boisy.pitre@nuance.com> |
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date | Mon, 27 Feb 2012 22:59:24 -0600 |
parents | |
children | 2a37d4530972 |
rev | line source |
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2638
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
1 ******************************************************* |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
2 * |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
3 * DWInit |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
4 * Initialize DriveWire for CoCo Bit Banger |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
5 |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
6 DWInit |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
7 pshs a,x |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
8 ldx #PIA1Base $FF20 |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
9 clr 1,x clear CD |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
10 lda #%11111110 |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
11 sta ,x |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
12 lda #%00110100 |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
13 sta 1,x |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
14 lda ,x |
4655eabf00c0
dw3.asm is now common... dwinit.asm now added to for port specific initialization
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff
changeset
|
15 puls a,x,pc |