Pages created and updated by Terry Sturtevant Date Posted: May 12, 2017

CP316: Microprocessor Systems and Interfacing

Math Subroutine Chart

Subroutine Max Cyles Program Memory Multiply
Multiplicand Multiplier Product
FXM0808U 8 7 AARGB0 BARGB0 AARGBO:AARGB1
FXM1608U 15 14 AARGBO:AARGB1 BARGB0 AARGBO:AARGB1:AARGB2
FXM1616U 31 30 AARGBO:AARGB1 BARGB0:BARGB1 AARGBO:AARGB1:AARGB2:AARGB3
FXM2416U 46 45 AARGBO:AARGB1:AARGB2 BARGB0:BARGB1 AARGBO:AARGB1:...:AARGB4
FXM2424U 74 73 AARGBO:AARGB1:AARGB2 BARGB0:BARGB1:BARGB2 AARGBO:AARGB1:...:AARGB5
FXM3216U 61 60 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0:BARGB1 AARGBO:AARGB1:...:AARGB5
FXM3224U 102 100 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0:BARGB1:BARGB2 AARGBO:AARGB1:...:AARGB6
FXM3232U 139 138 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0:BARGB1:BARGB2:BARGB3 AARGBO:AARGB1:...:AARGB7
FXM0808S 13 12 AARGB0 BARGB0 AARGBO:AARGB1
FXM1608S 24 23 AARGBO:AARGB1 BARGB0 AARGBO:AARGB1:AARGB2
FXM1616S 45 44 AARGBO:AARGB1 BARGB0:BARGB1 AARGBO:AARGB1:AARGB2:AARGB3
FXM2416S 64 63 AARGBO:AARGB1:AARGB2 BARGB0:BARGB1 AARGBO:AARGB1:...:AARGB4
FXM2424S 90 89 AARGBO:AARGB1:AARGB2 BARGB0:BARGB1:BARGB2 AARGBO:AARGB1:...:AARGB5
FXM3216S 83 82 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0:BARGB1 AARGBO:AARGB1:...:AARGB5
FXM3224S 120 119 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0:BARGB1:BARGB2 AARGBO:AARGB1:...:AARGB6
FXM3232S 159 158 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0:BARGB1:BARGB2:BARGB3 AARGBO:AARGB1:...:AARGB7
Divide
Dividend Divisor Quotient Remainder
FXD0808U 40 327 AARGB0 BARGB0 AARGB0 REMB0
FXD1608U 69 354 AARGBO:AARGB1 BARGB0 AARGBO:AARGB1 REMB0
FXD2408U 164 379 AARGBO:AARGB1:AARGB2 BARGB0 AARGBO:AARGB1:AARGB2 REMB0
FXD3208U 245 391 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0 AARGBO:AARGB1:AARGB2:AARGB3 REMB0
FXD1616U 147 445 AARGBO:AARGB1 BARGB0:BARGB1 AARGBO:AARGB1 REMB0:REMB1
FXD2416U 326 649 AARGBO:AARGB1:AARGB2 BARGB0:BARGB1 AARGBO:AARGB1:AARGB2 REMB0:REMB1
FXD3216U 458 882 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0:BARGB1 AARGBO:AARGB1:AARGB2:AARGB3 REMB0:REMB1
FXD2424U 341 797 AARGBO:AARGB1:AARGB2 BARGB0:BARGB1:BARGB2 AARGBO:AARGB1:AARGB2 REMB0:REMB1:REMB2
FXD3224U 459 1260 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0:BARGB1:BARGB2 AARGBO:AARGB1:AARGB2:AARGB3 REMB0:REMB1:REMB2
FXD3232U 390 1450 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0:BARGB1:BARGB2:BARGB3 AARGBO:AARGB1:AARGB2:AARGB3 REMB0:REMB1:REMB2:REMB3
FXD0808S 59 348 AARGB0 BARGB0 AARGB0 REMB0
FXD1608S 92 380 AARGBO:AARGB1 BARGB0 AARGBO:AARGB1 REMB0
FXD2408S 191 410 AARGBO:AARGB1:AARGB2 BARGB0 AARGBO:AARGB1:AARGB2 REMB0
FXD3208S 276 426 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0 AARGBO:AARGB1:AARGB2:AARGB3 REMB0
FXD1616S 176 479 AARGBO:AARGB1 BARGB0:BARGB1 AARGBO:AARGB1 REMB0:REMB1
FXD2416S 356 686 AARGBO:AARGB1:AARGB2 BARGB0:BARGB1 AARGBO:AARGB1:AARGB2 REMB0:REMB1
FXD3216S 491 923 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0:BARGB1 AARGBO:AARGB1:AARGB2:AARGB3 REMB0:REMB1
FXD2424S 362 838 AARGBO:AARGB1:AARGB2 BARGB0:BARGB1:BARGB2 AARGBO:AARGB1:AARGB2 REMB0:REMB1:REMB2
FXD3224S 496 1306 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0:BARGB1:BARGB2 AARGBO:AARGB1:AARGB2:AARGB3 REMB0:REMB1:REMB2
FXD3232S 422 1500 AARGBO:AARGB1:AARGB2:AARGB3 BARGB0:BARGB1:BARGB2:BARGB3 AARGBO:AARGB1:AARGB2:AARGB3 REMB0:REMB1:REMB2:REMB3
Floating Point  
Operation Input Output
INT3208 floating point -> integer AEXP:AARGB0:AARGB1:AARGB2 AARGB0
INT3216 floating point -> integer AEXP:AARGB0:AARGB1:AARGB2 AARGBO:AARGB1
INT3224 floating point -> integer AEXP:AARGB0:AARGB1:AARGB2 AARGBO:AARGB1:AARGB2
INT3232 89 4140 floating point -> integer AEXP:AARGB0:AARGB1:AARGB2 AARGBO:AARGB1:AARGB2:AARGB3
FLO0832U unsigned integer -> floating point AARGB0 AEXP:AARGB0:AARGB1:AARGB2
FLO1632U unsigned integer -> floating point AARGBO:AARGB1 AEXP:AARGB0:AARGB1:AARGB2
FLO2432U 57 4140 unsigned integer -> floating point AARGBO:AARGB1:AARGB2 AEXP:AARGB0:AARGB1:AARGB2
FLO3232U unsigned integer -> floating point AARGBO:AARGB1:AARGB2:AARGB3 AEXP:AARGB0:AARGB1:AARGB2
signed integer -> floating point AARGB0 AEXP:AARGB0:AARGB1:AARGB2
FLO1632S signed integer -> floating point AARGBO:AARGB1 AEXP:AARGB0:AARGB1:AARGB2
FLO2432S 67 4140 signed integer -> floating point AARGBO:AARGB1:AARGB2 AEXP:AARGB0:AARGB1:AARGB2
FLO3232S signed integer -> floating point AARGBO:AARGB1:AARGB2:AARGB3 AEXP:AARGB0:AARGB1:AARGB2
FPA32 141 4140 floating point add AEXP:AARGB0:AARGB1:AARGB2 BEXP:BARGB0:BARGB1:BARGB2 AEXP:AARGB0:AARGB1:AARGB2
FPS32 142 4140 floating point subtract AEXP:AARGB0:AARGB1:AARGB2 BEXP:BARGB0:BARGB1:BARGB2 AEXP:AARGB0:AARGB1:AARGB2
FPM32 121 4140 floating point multiply AEXP:AARGB0:AARGB1:AARGB2 BEXP:BARGB0:BARGB1:BARGB2 AEXP:AARGB0:AARGB1:AARGB2
FPD32 365 4140 floating point divide AEXP:AARGB0:AARGB1:AARGB2 BEXP:BARGB0:BARGB1:BARGB2 AEXP:AARGB0:AARGB1:AARGB2
TANEB32 A =! B AEXP:AARGB0:AARGB1:AARGB2 BEXP:BARGB0:BARGB1:BARGB2 TRUE ->  WREG = 0x01
else WREG = 0x00
TALTB32 A < B AEXP:AARGB0:AARGB1:AARGB2 BEXP:BARGB0:BARGB1:BARGB2 TRUE ->  WREG = 0x01
else WREG = 0x00
TALEB32 A <= B AEXP:AARGB0:AARGB1:AARGB2 BEXP:BARGB0:BARGB1:BARGB2 TRUE ->  WREG = 0x01
else WREG = 0x00
TAGTB32 A > B AEXP:AARGB0:AARGB1:AARGB2 BEXP:BARGB0:BARGB1:BARGB2 TRUE ->  WREG = 0x01
else WREG = 0x00
TAGEB32 A >= B AEXP:AARGB0:AARGB1:AARGB2 BEXP:BARGB0:BARGB1:BARGB2 TRUE ->  WREG = 0x01
else WREG = 0x00
TAEQB32 A == B AEXP:AARGB0:AARGB1:AARGB2 BEXP:BARGB0:BARGB1:BARGB2 TRUE ->  WREG = 0x01
else WREG = 0x00
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