I learned this by ear, these are the tabs.
H- hammer on
P- Pull off
S/- slide up
S\- slide down
[ Tab from: http://www.guitaretab.com/r/roy-buchanan/348629.html ]
E||------------------------------------------|
B||------------------------------------------|
G||------------------------------------------|
D||-------2-2--h4--p4--2---------------------| X2
A||-0---4-----------------4-h3--0------------|
E||------------------------------------------|
E||-----------------------------------------|
B||-----------------------------------------|
G||-----------------------------------------| X2
D||------------7-----h9--p9--7--------------|
A||-5----7s/9---------------------9- s\5----|
E||-----------------------------------------|
E||-----------------------------------------|
B||-----------------------------------------|
G||-----------------------------------------|
D||------------9- h11-p9-9------------------| X2
A||-7--9-s/11------------------11-s\7-------|
E||-----------------------------------------|
E||------------------------------------------|
B||------------------------------------------|
G||------------------------------------------|
D||-------2-2--h4--p4--2---------------------| X1
A||-0---4-----------------4-h3--0------------|
E||------------------------------------------|