97 lines
3.3 KiB
C
97 lines
3.3 KiB
C
/* <platform.h> file for CASIO Graph 90+E / fx-CG 50 hardware */
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#ifndef PLATFORM_H
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#define PLATFORM_H
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//---
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// WAD file access in Flash
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//---
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/* Settings for file mappings: traverse the whole 32-MiB Flash */
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#define FLASH_START ((const void *)0xA0000000)
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#define FLASH_END ((const void *)0xA2000000)
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/* Where we expect the file system to start, approximately (this region is
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searched first to hit sectors more quickly) */
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#define FLASH_FS_HINT ((const void *)0xA0C00000)
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/* Flash too, but cached; slower for sector searches but much faster for actual
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data loads while in-game */
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#define FLASH_CACHED_START ((const void *)0x80000000)
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#define FLASH_CACHED_END ((const void *)0x82000000)
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/* When loading from Flash, non-fragmented lumps are returned directly via
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pointers to Flash in order to save heap. Pointers to Flash can't be freed
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and are detected with the following macro. */
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#define PTR_TO_FLASH(x) ( \
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((x) >= FLASH_START && (x) < FLASH_END) || \
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((x) >= FLASH_CACHED_START && (x) < FLASH_CACHED_END))
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/* Storage unit is a cluster of 512 bytes; Fugue tries to use clusters of 4 kiB
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(8 sectors) but in exceptional circumstances cluster alignment can be lost
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(such as when sectors are dead) */
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#define FLASH_PAGE_SIZE 512
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#define FLASH_PAGE_SIZE_LOG2 9
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#define FLASH_PAGE_COUNT ((FLASH_END-FLASH_START) / FLASH_PAGE_SIZE)
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/* Size of Bfile reads; performance is good when it's at least a cluster */
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#define FLASH_BFILE_UNIT 4096
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/* Whether to index ROM sectors most likely to have data to use in sector
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searches (comment out to disable) */
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#define FLASH_INDEX
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/* Index contains 4 kiB cluster from FLASH_FS_HINT to FLASH_END; fragments are
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almost always 4 kiB-aligned, and only occasionally not */
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#define FLASH_INDEX_SIZE ((FLASH_END-FLASH_FS_HINT) / 4096)
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//---
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// Display driver access
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//---
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/* Whether to use direct-DD access rather than intermediate VRAM. Enabling this
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option will provide the unused VRAM as additonal heap. (Comment out to
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disable.) */
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#define CGDOOM_DIRECT_R61524
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//---
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// Memory distribution
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//---
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/* When direct-display access is disabled, put the screens in secondary VRAM
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and use VRAM for rendering. When it's enabled, put the screens in VRAM and
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use the secondary VRAM as heap. We swap because using the VRAM as heap would
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cause problems with error screens (stepping through errors would crash). */
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#ifdef CGDOOM_DIRECT_R61524
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# define CGDOOM_SCREENS_BASE ((void *)( \
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((uint32_t)GetVRAMAddress() & 0x1fffffff) | 0x80000000 \
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))
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#else
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# define CGDOOM_SCREENS_BASE SaveVRAMBuffer
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#endif
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/* Amount of extra memory past the 2 MB line that we deem safe to access. */
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extern int CGD_2MBLineMemory;
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/* Maximum amount of memory beyond the 2 MB line */
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#define CGDOOM_2MBLINEMEMORY_MAX (6 << 20)
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//---
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#include "keyboard.hpp"
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#include "keyboard_syscalls.h"
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#include "APP_syscalls.h"
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#include "CONVERT_syscalls.h"
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#include "SYSTEM_syscalls.h"
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#include "RTC_syscalls.h"
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#include "MCS_syscalls.h"
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#include "fxcg/display.h"
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#include "fxcg/misc.h"
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#include "fxcg/file.h"
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#include "fxcg/serial.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#define ASSERT(x)
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#define GetOSVersion() ((char *)0x80020020)
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#endif //#ifndef PLATFORM_H
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