Syntax:

• CPUSHEQ Rs3 BS3 Rs0 Rs1 Rs2
• CPUSHNE Rs3 BS3 Rs0 Rs1 Rs2

Description:

CPUSHxx pushes the following boolean condition on top of the stack:

Stack after CPUSHxx:

High Condition	Low Condition
[Rs0]*[Rs1] op [Rs2]	[Rs0]*[Rs1] op [Rs2]

Note: [Rs] denotes the complex representation of the data on both banks of register RsX, i.e., [R] = (data on low bank) + i (data on high bank); and op depends on the relation:

• For EQ, op is ==
• For NE, op is !=

Comparison is done through complex normal operations. It is customary to have in the relevant banks of Rs0 the value 1.0+i0.0, i.e.:

• [Rs0].L = 0x3FF0000000000000, [Rs0].H = 0x0000000000000000

Please note that the conditions pushed on top of the stack are independent of the value of BS3.

Microcode Pattern:

Takes 12 cycles to execute.
    Example: CPUSHxx 255 2 0x41 0xA 0xB

	  
STKC  FLW  IOC  AGU   ASEL BS5 P5 BS4 C4 P4  MPC  BS3 C3 P3 P2 P1 P0
--------------------------------------------------------------------
  -    -    -    -      -   0  00  0   0 00  CN10  0   0 00 00 0a 41
  -    -    -    -      -   0  00  0   0 00    -   0   0 00 00 00 00
  -    -    -    -      -   0  00  0   0 00    -   0   0 00 0b 00 00
  -    -    -    -      -   0  00  0   0 00    -   0   0 00 00 00 00
  -    -    -    -      -   0  00  0   0 00    -   0   0 00 00 00 00
  -    -    -    -      -   0  00  0   0 00    -   0   0 00 00 00 00
  -    -    -    -      -   0  00  0   0 00    -   0   0 00 00 00 00
  -    -    -    -      -   0  00  0   0 00    -   0   0 00 00 00 00
  -    -    -    -      -   0  00  0   0 00    -   0   0 00 00 00 00
  -    -    -    -      -   0  00  0   0 00    -   0   0 00 00 00 00
  -    -    -    -      -   0  00  0   0 00    -   2   0 ff 00 00 00
 Pxx   -    -    -      -   0  00  0   0 00    -   0   0 00 00 00 00
--------------------------------------------------------------------
  where: xx is one of {EQ,NE}.

	  

Exceptions :

The exceptions are the same as the ones of the CNORM operations

Example :

!! Initial conditions:
!!
!! Content of register 0xA:
!!     [0xA].H = 0x0000000000000000
!!     [0xA].L = 0x3ff0000000000000
!!
!! Content of register 0xB:
!!     [0xB].H = 0xc004000000000000
!!     [0xB].L = 0x401e000000000000
!!
!! Content of register 0xC:  
!!     [0xC].H = 0xc004000000000000
!!     [0xC].L = 0x400c000000000000

CPUSHEQ 255 3 0xA 0xB 0xC  !! Pushes: High = FALSE  Low = FALSE    
CPUSHEQ 255 2 0xA 0xB 0xC  !! Pushes: High = FALSE  Low = FALSE
CPUSHEQ 255 1 0xA 0xB 0xC  !! Pushes: High = FALSE  Low = FALSE