fwcutter/make: Avoid _DEFAULT_SOURCE warning

[b43-tools.git] / assembler / test.asm

diff --git a/assembler/test.asm b/assembler/test.asm
index 54dafed419445b9f360c82fe5be076f6e1b4f1ea..cea8724e682606a6b46971ffe21a01007df8a3d3 100644 (file)
--- a/assembler/test.asm
+++ b/assembler/test.asm
@@ -1,14 +1,13 @@
 /* This is a bcm43xx microcode assembly example.
- *
- * In this example file, r0 and r1 are always input
- * registers and r2 is output.
- * For input we can always have constant values or (one) memory
- * operand instead of the input registers shown here.
  *
  * Registers:
- *     GPRs:                   r0 - r63
+ *     GPRs:                   r0 - r63        (General Purpose Register)
  *     Offset Registers:       off0 - off5
- *     SPRs:                   spr000
+ *     SPRs:                   spr000          (Special Purpose Register)
+ *
+ * SPRs map to the driver-side IHR registers.
+ * An SPR offset is converted to an IHR offset by the following
+ * calculation:  IHR = (SPR + 0x400) * 2
  *
  * To access memory, two methods can be used. Examples follow.
  * Direct linear:
@@ -28,10 +27,21 @@
 
 #define ECOND_MAC_ON   (0x20 | 4)
 
+%assert ((((1))) == ((((2 - 1) & 0xFF))))
+%assert ((1 == 2) || (1 == (0xFF & 1)))
+%assert (1 != (~1))
+%assert ((1 == (2 - 1)) && (2 == 2))
 
 .text
 
+       /* Inline assertion inside of a complex immediate.
+        * The %assert() expression will always return zero. */
+       mov     (1 + (%assert(1 == ((1 + 2) - 2)))), r0
+
 label:
+       /* MUL instruction */
+       mul     r0,r1,r2        /* mul, r2 := msb, spr6d := lsb */
+
        /* ADD instructions */
        add     r0,r1,r2        /* add */
        add.    r0,r1,r2        /* add, set carry */
@@ -82,6 +92,10 @@ testlabel:
        jge     r0,r1,label     /* jump if greater or equal */
        jg      r0,r1,label     /* jump if greater */
        jle     r0,r1,label     /* jump if less or equal */
+       jdn     r0,r1,label     /* jump if difference is negative */
+       jdpz    r0,r1,label     /* jump if difference is non negative */
+       jdp     r0,r1,label     /* jump if difference is positive */
+       jdnz    r0,r1,label     /* jump if difference is non positive */
 
        jzx     7,8,r0,r1,label /* Jump if zero after shift and mask */
        jnzx    7,8,r0,r1,label /* Jump if nonzero after shift and mask */
@@ -186,6 +200,7 @@ function_b:
        radio   0x1234, 0xABC                   /* Write 0x1234 to RADIO register 0xABC */
        shm16   0x1234, 0x0001, 0x0002          /* Write 0x1234 to SHM routing 0x0001, register 0x0002 */
        shm32   0x12345678, 0x0001, 0x0002      /* Write 0x12345678 to SHM routing 0x0001, register 0x0002 */
+       tram    0x12345678, 0x1234              /* Write 0x12345678 to Template Ram offset 0x1234 */
 
 
 // vim: syntax=b43 ts=8