ref: ed6e4c476955ff1687f43ee17e90f661f0add6e6
parent: d92c284b853f05adc3bf17449483d7333d2c78dd
author: Antonio Niño Díaz <[email protected]>
date: Sun Apr 16 15:54:58 EDT 2017
Clean object file format code and documentation Remove unused code. Signed-off-by: Antonio Niño Díaz <[email protected]>
--- a/include/asm/mylink.h
+++ b/include/asm/mylink.h
@@ -1,64 +1,6 @@
#ifndef RGBDS_ASM_LINK_H
#define RGBDS_ASM_LINK_H
-/* RGB4 .o format:
- *
- * Header
- * Symbols
- * Sections
- *
- * Header:
- * "RGB4"
- * LONG NumberOfSymbols
- * LONG NumberOfSections
- *
- * Symbols:
- * Symbol[NumberOfSymbols]
- *
- * Symbol:
- * char Name (NULL terminated)
- * char nType
- * if (nType != SYM_IMPORT)
- * {- * LONG SectionID
- * LONG Offset
- * }
- *
- * Sections:
- * Section[NumberOfSections]
- *
- * Section:
- * char SectionName (NULL-terminated)
- * LONG SizeInBytes
- * char Type
- * LONG OrgPosition
- * LONG Bank
- * LONG Alignment
- * if (Type == ROM0 || Type == ROMX)
- * {- * char Data[SizeInBytes]
- * Patches
- * }
- *
- * Patches:
- * LONG NumberOfPatches
- * Patch[NumberOfPatches]
- *
- * Patch:
- * char Filename NULL-terminated
- * LONG LineNo
- * LONG Offset
- * char Type
- * LONG RpnByteSize
- * Rpn[RpnByteSize]
- *
- * Rpn:
- * Operators: 0x00-0x7F
- * Constants: 0x80 0x00000000
- * Symbols : 0x81 0x00000000
- *
- */
-
enum {RPN_ADD = 0,
RPN_SUB,
@@ -90,11 +32,6 @@
RPN_HRAM,
- /* TODO: This hasn't been removed in order not to break compatibility
- * with the existing object files, but it will be removed in a future
- * version. */
- RPN_unused,
-
RPN_RANGECHECK,
RPN_CONST = 0x80,
@@ -121,8 +58,6 @@
enum {PATCH_BYTE = 0,
PATCH_WORD_L,
- PATCH_LONG_L,
- PATCH_WORD_B,
- PATCH_LONG_B
+ PATCH_LONG_L
};
#endif
--- a/include/link/mylink.h
+++ b/include/link/mylink.h
@@ -96,9 +96,7 @@
enum ePatchType {PATCH_BYTE = 0,
PATCH_WORD_L,
- PATCH_LONG_L,
- PATCH_WORD_B,
- PATCH_LONG_B
+ PATCH_LONG_L
};
struct sPatch {--- a/src/link/patch.c
+++ b/src/link/patch.c
@@ -264,22 +264,12 @@
}
break;
case PATCH_WORD_L:
- case PATCH_WORD_B:
if (t >= -32768 && t <= 65535) {t &= 0xFFFF;
- if (pPatch->Type == PATCH_WORD_L) {- pSect->pData[pPatch->nOffset] =
- t & 0xFF;
- pSect->pData[pPatch->nOffset +
- 1] =
- (t >> 8) & 0xFF;
- } else {- //Assume big endian
- pSect->pData[pPatch->nOffset] =
- (t >> 8) & 0xFF;
- pSect->pData[pPatch->nOffset +
- 1] = t & 0xFF;
- }
+ pSect->pData[pPatch->nOffset] =
+ t & 0xFF;
+ pSect->pData[pPatch->nOffset + 1] =
+ (t >> 8) & 0xFF;
} else {errx(1,
"%s(%ld) : Value must be 16-bit",
@@ -295,15 +285,6 @@
(t >> 16) & 0xFF;
pSect->pData[pPatch->nOffset + 3] =
(t >> 24) & 0xFF;
- break;
- case PATCH_LONG_B:
- pSect->pData[pPatch->nOffset + 0] =
- (t >> 24) & 0xFF;
- pSect->pData[pPatch->nOffset + 1] =
- (t >> 16) & 0xFF;
- pSect->pData[pPatch->nOffset + 2] =
- (t >> 8) & 0xFF;
- pSect->pData[pPatch->nOffset + 3] = t & 0xFF;
break;
}
--- a/src/rgbds.rgbformat.5
+++ b/src/rgbds.rgbformat.5
@@ -115,9 +115,7 @@
BYTE Type ; 0 = BYTE patch.
; 1 = little endian WORD patch.
- ; 2 = little endianLONG patch.
- ; 3 = big endian WORD patch (unused)
- ; 4 = big endian LONG patch (unused)
+ ; 2 = little endian LONG patch.
LONG RPNSize ; Size of the buffer with the RPN.
; expression.