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authorRaymaekers Luca <luca@spacehb.net>2025-10-24 12:58:52 +0200
committerRaymaekers Luca <luca@spacehb.net>2025-10-24 12:58:52 +0200
commit856fd58549e5bf50e800a665f9deb27d967df2fb (patch)
tree6950210e5ae3618b501a7045f10f8fc06dd903df /src/code/reference_decoder/sim86_memory.cpp
parentd8b3ca9d02377cf04a09e0f518a3385b7324bc4d (diff)
checkpoint
Diffstat (limited to 'src/code/reference_decoder/sim86_memory.cpp')
-rw-r--r--src/code/reference_decoder/sim86_memory.cpp66
1 files changed, 0 insertions, 66 deletions
diff --git a/src/code/reference_decoder/sim86_memory.cpp b/src/code/reference_decoder/sim86_memory.cpp
deleted file mode 100644
index 1d58ede..0000000
--- a/src/code/reference_decoder/sim86_memory.cpp
+++ /dev/null
@@ -1,66 +0,0 @@
-/* ========================================================================
-
- (C) Copyright 2023 by Molly Rocket, Inc., All Rights Reserved.
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Please see https://computerenhance.com for more information
-
- ======================================================================== */
-
-static u32 GetHighestAddress(segmented_access SegMem)
-{
- u32 Result = SegMem.Mask;
- return Result;
-}
-
-static u32 GetAbsoluteAddressOf(u32 Mask, u16 SegmentBase, u16 SegmentOffset, u16 AdditionalOffset)
-{
- u32 Result = (((u32)SegmentBase << 4) + (u32)(SegmentOffset + AdditionalOffset)) & Mask;
- return Result;
-}
-
-static u32 GetAbsoluteAddressOf(segmented_access SegMem, u16 Offset)
-{
- u32 Result = GetAbsoluteAddressOf(SegMem.Mask, SegMem.SegmentBase, SegMem.SegmentOffset, Offset);
- return Result;
-}
-
-static segmented_access MoveBaseBy(segmented_access Access, s32 Offset)
-{
- Access.SegmentOffset += Offset;
-
- segmented_access Result = Access;
-
- Result.SegmentBase += (Result.SegmentOffset >> 4);
- Result.SegmentOffset &= 0xf;
-
- assert(GetAbsoluteAddressOf(Result, 0) == GetAbsoluteAddressOf(Access, 0));
-
- return Result;
-}
-
-static u8 *AccessMemory(segmented_access SegMem, u16 Offset)
-{
- u32 AbsAddr = GetAbsoluteAddressOf(SegMem, Offset);
- u8 *Result = SegMem.Memory + AbsAddr;
- return Result;
-}
-
-static b32 IsValid(segmented_access SegMem)
-{
- b32 Result = (SegMem.Mask != 0);
- return Result;
-}
-
-static segmented_access FixedMemoryPow2(u32 SizePow2, u8 *Memory)
-{
- segmented_access Result = {};
-
- Result.Memory = Memory;
- Result.Mask = (1 << SizePow2) - 1;
-
- return Result;
-}