times jumbo 808

[Penylan]

1 across. Cross-???c?i?g (5-8)
34 across. Father abroad in occupational therapy volunteers for light work ??????t? (8)
49 across. In bed, he is all shivery, being scantily dressed (10)
53 across. I'm set frantically to embrace success! That shows it (7)
56 across. Some parched roses? I now keep liquid equpment ready to start (9)
38 down. Israel regularly holds resistance by eastern Mediterranean not appropriate (10)
12 down. Distinguish what mathematicians might do when coming to a function (13)
Not doing at all well this week!

[Lie-in King]

1a Cross-checking (checking as in chess)
34a Operetta - 'pere' (Fr. father) (in) O(cc.) T(herapy) + T(erritorial) (A(rmy)
49a Deshabille - anag 'bed he is all'
53a Egotism - anag 'Im set' + go (success)
56a Sprinkler - 1st letters of words from 'Some...'
38d Irrelevant - reg. letters of 'IsRaEl' + r(esistance) + Levant
12d Differentiate

[Penylan]

Wow, brilliant, thanks.