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The 7th Saga/RAM map: Difference between revisions

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(→‎SRAM: Finished the inventory slot spaces and mapped out some seemingly unused areas in slot 1)
Line 18: Line 18:
0x0000 |    2 | Checksum using 16-bit XOR
0x0000 |    2 | Checksum using 16-bit XOR
0x0002 |  510 | Unused
0x0002 |  510 | Unused
0x0200 | 1280 | Save Slot 1?
0x0200 | 1280 | Save Slot 1
0x0700 | 2560 | Unused
0x0700 | 1280 | Save Slot 2
0x1100 | 1280 | Save Slot 1? (Identical contents to 0x200-0x6FF)
0x0C00 | 1280 | Save Slot 1
0x1600 | 2560 | Unused
0x1100 | 1280 | Save Slot 1 (Identical contents to 0x200-0x6FF)
0x1600 | 1280 | Save Slot 2 (Identical contents to 0x700-0xBFF)
0x1B00 | 1280 | Save Slot 3 (Identical contents to 0xC00-0x10FF)


Save Slot Structure (0x400 = 1024 bytes?)
Save Slot Structure (0x500 = 1280 bytes)


Offset | Len | Description
Offset | Len | Description
Line 30: Line 32:
0x0021 |  1 | 1st PC's ?????
0x0021 |  1 | 1st PC's ?????
0x0022 |  2 | 1st PC's level
0x0022 |  2 | 1st PC's level
0x0024 |  2 | 1st PC's cur? HP
0x0024 |  2 | 1st PC's cur HP
0x0026 |  2 | 1st PC's max? HP
0x0026 |  2 | 1st PC's max HP
0x0028 |  2 | 1st PC's cur? MP
0x0028 |  2 | 1st PC's cur MP
0x002A |  2 | 1st PC's max? MP
0x002A |  2 | 1st PC's max MP
0x002C |  2 | 1st PC's Power
0x002C |  2 | 1st PC's Power
0x002E |  2 | 1st PC's Magic
0x002E |  2 | 1st PC's Magic
0x0030 |  1 | 1st PC's Speed
0x0030 |  1 | 1st PC's Speed
0x0031 |  1 | 1st PC's ?????
0x0031 |  1 | 1st PC's ?????
0x0032 |  1 | 1st PC's weapon slot?
0x0032 |  1 | 1st PC's weapon slot
0x0033 |  1 | 1st PC's armor/clock/robe slot?
0x0033 |  1 | 1st PC's armor/clock/robe slot
0x0034 |  1 | 1st PC's accessory/shield slot
0x0034 |  1 | 1st PC's accessory/helmet/shield slot
0x0035 |  3 | 1st PC's XP plus 30
0x0035 |  3 | 1st PC's XP plus 30
0x0038 |  3 | 1st PC's Gold plus 27
0x0038 |  3 | 1st PC's Gold plus 27
Line 49: Line 51:
0x0082 | 254 | Inventory slots 2 through 128
0x0082 | 254 | Inventory slots 2 through 128
0x0180 | 256 | Unused(00)?
0x0180 | 256 | Unused(00)?
0x0280 |   ? | Start of what looks like quest flags?
0x0280 | 126 | Quest flags?
0x03FE |  2 | Checksum using 16-bit XOR
0x03FE |  2 | Checksum using 16-bit XOR


Default for 0x0002-0x10FF is 0xFF.  Default for 0x1100-1FFF is 0x00.  Unused areas generally follow this pattern.
Default for 0x0002-0x10FF is 0xFF.  Default for 0x1100-1FFF is 0x00.  Unused areas generally follow this pattern.
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Revision as of 17:07, 22 June 2018

Main

	Offset   |  Len  | Description
	_________|_______|_____________________
	0x7E4C00 |     1 | Inventory slot 1 item type
	0x7E4C01 |     1 | Inventory slot 1 item quantity
	0x7E4C02 | 2*99? | Inventory slots 2-99?
	0x7E4CFF |     1 | Inventory slot (last) quantity

SRAM

File Structure (0x2000 = 8192 bytes)

	Offset | Len  | Description
	_______|______|_____________________
	0x0000 |    2 | Checksum using 16-bit XOR
	0x0002 |  510 | Unused
	0x0200 | 1280 | Save Slot 1
	0x0700 | 1280 | Save Slot 2
	0x0C00 | 1280 | Save Slot 1
	0x1100 | 1280 | Save Slot 1 (Identical contents to 0x200-0x6FF)
	0x1600 | 1280 | Save Slot 2 (Identical contents to 0x700-0xBFF)
	0x1B00 | 1280 | Save Slot 3 (Identical contents to 0xC00-0x10FF)

Save Slot Structure (0x500 = 1280 bytes)

	Offset | Len | Description
	_______|_____|______________________
	0x0005 |   1 | Number of times saved?
	0x0021 |   1 | 1st PC's ?????
	0x0022 |   2 | 1st PC's level
	0x0024 |   2 | 1st PC's cur HP
	0x0026 |   2 | 1st PC's max HP
	0x0028 |   2 | 1st PC's cur MP
	0x002A |   2 | 1st PC's max MP
	0x002C |   2 | 1st PC's Power
	0x002E |   2 | 1st PC's Magic
	0x0030 |   1 | 1st PC's Speed
	0x0031 |   1 | 1st PC's ?????
	0x0032 |   1 | 1st PC's weapon slot
	0x0033 |   1 | 1st PC's armor/clock/robe slot
	0x0034 |   1 | 1st PC's accessory/helmet/shield slot
	0x0035 |   3 | 1st PC's XP plus 30
	0x0038 |   3 | 1st PC's Gold plus 27
	0x0050 |   1 | 2nd PC's ?????
	0x0051 |  47 | 2nd PC's data (identical to 1st PC)
	0x0080 |   1 | Inventory slot 1 item type
	0x0081 |   1 | Inventory slot 1 item quantity
	0x0082 | 254 | Inventory slots 2 through 128
	0x0180 | 256 | Unused(00)?
	0x0280 | 126 | Quest flags?
	0x03FE |   2 | Checksum using 16-bit XOR

Default for 0x0002-0x10FF is 0xFF.  Default for 0x1100-1FFF is 0x00.  Unused areas generally follow this pattern.