gbdev/rgbds
1
0
Fork 0
mirror of https://github.com/gbdev/rgbds.git synced 2025-11-20 18:22:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add support for OAM Sections

Browse Source 
Allows sections (and labels within) to be defined that correspond to the Game Boy’s Object Attributes Memory.
This commit is contained in:
Ben10do
2017-03-10 22:18:14 +00:00
parent 523b7538f0
commit 3dcfe2b9f6
10 changed files with 26 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/link/assign.c
View File

@@ -30,7 +30,7 @@ SLONG MaxSBankUsed;
SLONG MaxVBankUsed;
const enum eSectionType SECT_MIN = SECT_WRAM0;
const enum eSectionType SECT_MAX = SECT_SRAM;
const enum eSectionType SECT_MAX = SECT_OAM;
const struct sSectionAttributes SECT_ATTRIBUTES[] = {
{"WRAM0", BANK_WRAM0, 0, 0, BANK_COUNT_WRAM0},
{"VRAM", BANK_VRAM, 0, 0, BANK_COUNT_VRAM},
@@ -38,7 +38,8 @@ const struct sSectionAttributes SECT_ATTRIBUTES[] = {
{"ROM0", BANK_ROM0, 0, 0, BANK_COUNT_ROM0},
{"HRAM", BANK_HRAM, 0, 0, BANK_COUNT_HRAM},
{"WRAMX", BANK_WRAMX, 0, 0, BANK_COUNT_WRAMX},
{"SRAM", BANK_SRAM, 0, 0, BANK_COUNT_SRAM}
{"SRAM", BANK_SRAM, 0, 0, BANK_COUNT_SRAM},
{"OAM", BANK_OAM, 0, 0, BANK_COUNT_OAM}
};
#define DOMAXBANK(x, y) {switch (x) { \
@@ -326,6 +327,9 @@ AssignSections(void)
/* Swappable VRAM bank */
BankFree[i]->nOrg = 0x8000;
BankFree[i]->nSize = 0x2000;
} else if (i == BANK_OAM) {
BankFree[i]->nOrg = 0xFE00;
BankFree[i]->nSize = 0x00A0;
} else if (i == BANK_HRAM) {
/* HRAM */
BankFree[i]->nOrg = 0xFF80;
@@ -355,6 +359,7 @@ AssignSections(void)
case SECT_WRAM0:
case SECT_HRAM:
case SECT_ROM0:
case SECT_OAM:
pSection->nBank = SECT_ATTRIBUTES[pSection->Type].bank;
if (area_AllocAbs(&BankFree[pSection->nBank], pSection->nOrg,
pSection->nByteSize) == -1) {