44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// iigs/misc.h - Misc Tool Set wrappers that genToolbox.py can't generate.
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//
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// genToolbox.py auto-generates inline-asm wrappers for every ORCA
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// `extern pascal Foo() inline(0xNNTT, dispatcher)` declaration. A
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// handful of Misc Tool calls return STRUCT values (ReadTimeHex,
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// GetMouseClamp, ...) and ORCA's misctool.h declares those WITHOUT
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// the inline() macro, so the generator skips them.
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//
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// This header (and the iigsToolbox.s entries it forward-declares)
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// fills that gap with hand-written, C-friendly wrappers.
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//
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// Currently exposed:
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// - iigsReadTimeHex(unsigned char buf[8])
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// Calls Misc Tool $0D03 (ReadTimeHex). Writes the 8-byte TimeRec
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// into the caller-provided buffer in this order:
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// buf[0] = second (0..59)
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// buf[1] = minute (0..59)
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// buf[2] = hour (0..23)
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// buf[3] = (pad / unused)
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// buf[4] = year - 1900
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// buf[5] = day-of-month (1..31)
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// buf[6] = month (0..11)
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// buf[7] = day-of-week (1..7, Sunday=1)
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// The Tool Locator must be up before calling (true under
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// crt0Gsos and crt0Gno -- the host inits TL before __start).
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#ifndef IIGS_MISC_H
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#define IIGS_MISC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void iigsReadTimeHex(unsigned char *buf8);
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#ifdef __cplusplus
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}
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#endif
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#endif
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