X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=assembler%2Ftest.asm;h=2c25ddef0d68e873d991b318ecb5c7594ee9c0e2;hb=db3a1d329e7346b65ec69bd18062e1433aa86901;hp=b0e86d903188819ee087ac739751fbe2d89ce6eb;hpb=15e6569e86bfc42db9932b3e817161c13d083252;p=b43-tools.git diff --git a/assembler/test.asm b/assembler/test.asm index b0e86d9..2c25dde 100644 --- 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: @@ -28,9 +27,17 @@ #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: /* ADD instructions */ add r0,r1,r2 /* add */ @@ -169,6 +176,7 @@ function_b: mov testlabel, r0 /* Can use label as immediate value */ mov r0,r1;mov r2, r3 /* ; does split instructions */ mov [(1+1)],[(2+2),off0] /* Can use complex immediates as memory offsets */ + orx (0 + 1), (1 * 2), 0, 0, r0 /* Allow complex immediates as M or S */ /* The .initvals section generates an "Initial Values" file