83Plus:BCALLs:4321

Synopsis

Official Name: CreateRMat

BCALL Address: 4321

Creates a real matrix.

Inputs

• H = Rows
• L = Cols
• OP1 = Name of matrix

Outputs

• HL points to symbol table entry
• DE points to data section
• OP4 contains the name as inputted in OP1.

Registers Destroyed

• AF,BC,OP1,OP2

Comments

If there isn't enough RAM a memory error will be generated. (OP1) doesn't have to be 02h. (OP1+3) and (OP1+4) have to be zero. Contents of the matrix are random.

Example

ld hl,matName
RST rMov9ToOP1
ld hl,4*256+6 ;4 rows, 6 cols
B_CALL CreateRMat

matName: db MatObj,tVarMat,tMatA,0,0