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FF7/Field/Script/Opcodes/5B SMTRA

1,924 bytes added, 02:28, 8 September 2006
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* Opcode: '''0x5B'''
* Short name: '''SMTRA'''
* Long name: Set Materia

==== Memory layout ====
{| border="1" cellspacing="1" cellpadding="3" style="border: 1px solid black; border-collapse: collapse;"
! width="40" | 0x5B
! width="50" | ''B1 / B2''
! width="40" | ''B3 / B4''
! width="40" | ''T''
! width="40" | ''AP''
|}

==== Arguments ====

* '''const Bit[4]''' ''B1'': Source bank 1.
* '''const Bit[4]''' ''B2'': Source bank 2.
* '''const Bit[4]''' ''B3'': Source bank 3.
* '''const Bit[4]''' ''B4'': Source bank 4.
* '''const UByte''' ''T'': [[FF7/Field/Script/Materia ID|Type of materia]] to add, or source address 1.
* '''const UByte[3]''' ''AP'': Amount of AP the newly added materia will have, or source addresses 2, 3 and 4.

==== Description ====

Adds a new piece of materia to the materia inventory. This is either done by explicitly providing the materia type and AP value, in which case the first two bytes are zero, or by retrieving these values from memory. If ''B1'' is non-zero, then ''T'' specifies the address to be used with ''B1'' to find the value for materia type. If ''B2'', ''B3'' or ''B4'' are non-zero, these three bytes specify the addresses to retrieve the values for this unit. ''B2'' and the first AP byte specifies the lowest-unit (16^1) hex value to retrieve, corresponding to 0-16 gil; ''B3'' and the second AP byte specifies the middle-unit (16^2) hex value to retrieve; ''B4'' and the third AP byte the highest-unit (16^3) hex value.

==== Example ====

The following example adds a piece of Slash All materia (ID: 0xE) using the following parameters:

* Materia ID retrieved from memory bank 6, address 1D;
* 16^1 set explicitly with a constant value;
* 16^2 set explicitly with a constant value;
* 16^3 retrieved from memory bank 6, address 1B.

SETWORD(60,1B,1,0)
SETWORD(60,1D,E,0)
SMTRA(60,06,1D,3,2,1B)

This equates to: (3*16^1) + (2*16^2) + (1*16^3) == 0x010203 == 66051 AP.

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