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| en:docs:xms:api:01 [2023/11/19 10:27] – created prokushev | en:docs:xms:api:01 [2023/12/22 15:02] (current) – prokushev | ||
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| ===== Brief ===== | ===== Brief ===== | ||
| + | Request High Memory Area | ||
| ===== Family API ===== | ===== Family API ===== | ||
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| AH = 01h | AH = 01h | ||
| + | DX = Space needed in the HMA by the caller in bytes (if the caller is a TSR or device driver), DX = FFFFh (if the caller is an application program) | ||
| ===== Return ===== | ===== Return ===== | ||
| + | AX = 0001h if the HMA is assigned to the caller, 0000h otherwise | ||
| + | BL = Error code | ||
| ===== Notes ===== | ===== Notes ===== | ||