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| Code Block |
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| language | none |
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| title | RST 20H, DEFW $1809 |
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IN:
DE = 0, not allowed.
DE = 1, not allowed.
DE = 2, return system date in ABC.
DE > 255, pointer to write machine date at (DE).
OUT:
If DE(in)>255 then DE = DE(in) + 3; ABC = ABC(in)
If DE(in)<255 then DE = DE(in); ABC = result
Registers changed after return:
......../IXIY same
AFBCDEHL/.... different |
GN_Dei, convert zoned format date to internal format
GN_Die, convert internal format date to zoned format
GN_Gdt, convert an ASCII string to an internal binary date
GN_Pdt, write internal date as ASCII string
GN_Pmd, put (set) machine date