URL
https://opencores.org/ocsvn/openmsp430/openmsp430/trunk
/*===========================================================================*/
/* Copyright (C) 2001 Authors */
/* */
/* This source file may be used and distributed without restriction provided */
/* that this copyright statement is not removed from the file and that any */
/* derivative work contains the original copyright notice and the associated */
/* disclaimer. */
/* */
/* This source file is free software; you can redistribute it and/or modify */
/* it under the terms of the GNU Lesser General Public License as published */
/* by the Free Software Foundation; either version 2.1 of the License, or */
/* (at your option) any later version. */
/* */
/* This source is distributed in the hope that it will be useful, but WITHOUT*/
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
/* License for more details. */
/* */
/* You should have received a copy of the GNU Lesser General Public License */
/* along with this source; if not, write to the Free Software Foundation, */
/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
/* */
/*===========================================================================*/
/* TWO-OPERAND ARITHMETIC: ADD INSTRUCTION */
/*---------------------------------------------------------------------------*/
/* Test the ADD instruction with all addressing modes */
/* */
/* Author(s): */
/* - Olivier Girard, olgirard@gmail.com */
/* */
/*---------------------------------------------------------------------------*/
/* $Rev: 200 $ */
/* $LastChangedBy: olivier.girard $ */
/* $LastChangedDate: 2015-01-21 23:01:31 +0100 (Wed, 21 Jan 2015) $ */
/*===========================================================================*/
.include "pmem_defs.asm"
.global main
main:
/* ---------------------- INITIALIZE REGISTERS --------------------- */
mov #0x2202, r2
mov #0x3333, r3
mov #0x4444, r4
mov #0x5555, r5
mov #0x6666, r6
mov #0x7777, r7
mov #0x8888, r8
mov #0x9999, r9
mov #0xaaaa, r10
mov #0xbbbb, r11
mov #0xcccc, r12
mov #0xdddd, r13
mov #0xeeee, r14
mov #0x1000, r15
/* ---------------------- TEST WHEN SOURCE IS Rn ------------------- */
.set Rn_EDE, DMEM_212+PMEM_EDE_LENGTH
.set Rn_TONY, DMEM_214
mov #0x4444, r4
mov #0x5555, r5
add r4, r5 ;# Add r4+r5 (0x4444+0x5555=0x9999)
mov #0x000a, r4
add r4, r0
nop
nop
nop
mov #0x1234, r4 ;# Make sure the jump is taken
test_Rn_PC:
mov #0x2222, &DMEM_210
mov #DMEM_200, r6
mov #0x3333, r7
add r7, 16(r6) ;# Write 0x2222+0x3333=0x5555 to memory @0x0210
mov #0x4444, &DMEM_212
mov #0x5678, r7
add r7, Rn_EDE ;# Write 0x4444+0x5678=0x9abc to memory @0x0212
mov #0x5555, &DMEM_214
mov #0x1234, r8
add r8, &Rn_TONY ;# Write 0x5555+0x1234=0x6789 to memory @0x0214
mov #0x2000, r15
/* ---------------------- TEST WHEN SOURCE IS @Rn ------------------ */
.set aRn_EDE, DMEM_212+PMEM_EDE_LENGTH
.set aRn_TONY, DMEM_214
mov #DMEM_200, r4
mov #0x1111, &DMEM_200
mov #0x6666, r5
add @r4, r5 ;# Add @r4+r5 (0x1111+0x6666=0x7777)
mov #DMEM_200, r4
mov #0x000a, &DMEM_200
add @r4, r0
nop
nop
nop
mov #0x1234, r4 ;# Make sure the jump is taken
test_aRn_PC:
mov #0x1234, &DMEM_20E
mov #0x5432, &DMEM_210
mov #DMEM_200, r6
mov #DMEM_20E, r7
add @r7, 16(r6) ;# Write 0x1234+0x5432=0x6666 to memory @0x0210
mov #0x5f12, &DMEM_200
mov #0x8e1c, &DMEM_212
mov #DMEM_200, r7
add @r7, aRn_EDE ;# Write 0x5f12+0x8e1c=0xed2e to memory @0x0212
mov #0x3112, &DMEM_202
mov #0x1541, &DMEM_214
mov #DMEM_202, r8
add @r8, &aRn_TONY ;# Write 0x3112+0x1541=0x4653 to memory @0x0214
mov #0x3000, r15
/* ---------------------- TEST WHEN SOURCE IS @Rn+ ----------------- */
.set aRni_EDE, DMEM_212+PMEM_EDE_LENGTH
.set aRni_TONY, DMEM_214
mov #DMEM_200, r4
mov #0x2222, &DMEM_200
mov #0x8888, r5
add @r4+, r5 ;# Add @r4+r5 (0x2222+0x8888=0xaaaa)
mov #DMEM_204, r6
mov #0x000a, &DMEM_204
add @r6+, r0
nop
nop
nop
mov #0x1234, r6 ;# Make sure the jump is taken
test_aRni_PC:
mov #0x1234, &DMEM_20E
mov #0x5432, &DMEM_210
mov #DMEM_200, r8
mov #DMEM_20E, r7
add @r7+, 16(r8) ;# Write 0x1234+0x5432=0x6666 to memory @0x0210
mov #0x5f12, &DMEM_206
mov #0x8e1c, &DMEM_212
mov #DMEM_206, r8
add @r8+, aRni_EDE ;# Write 0x5f12+0x8e1c=0xed2e to memory @0x0212
mov #0x3112, &DMEM_202
mov #0x1541, &DMEM_214
mov #DMEM_202, r9
add @r9+, &aRni_TONY ;# Write 0x3112+0x1541=0x4653 to memory @0x0214
mov #0x4000, r15
/* ---------------------- TEST WHEN SOURCE IS #N ------------------- */
.set N_EDE, DMEM_210+PMEM_EDE_LENGTH
.set N_TONY, DMEM_206
mov #0x3210, r4
add #0x1234, r4 ;# Write 0x3210+0x1234=0x4444 to R4
mov #0x0000, r5
add #0x000a, r0
nop
nop
nop
mov #0x1234, r5 ;# Make sure the jump is taken
test_N_PC:
mov #0x5432, &DMEM_230
mov #DMEM_200, r6
add #0x5a5a, 48(r6) ;# Write 0x5432+0x5a5a=0xae8c to memory @0x0230
mov #0x4325, &DMEM_210
add #0x1a2b, N_EDE ;# Write 0x4325+0x1a2b=0x5d50 to memory @0x0210
mov #0x3254, &DMEM_206
add #0x3c4d, &N_TONY ;# Write 0x3254+0x3c4d=0x6ea1 to memory @0x0206
mov #0x5000, r15
/* ---------------------- TEST WHEN SOURCE IS x(Rn) ---------------- */
.set xRn_EDE, DMEM_220+PMEM_EDE_LENGTH
.set xRn_TONY, DMEM_208
mov #0x8347, &DMEM_210
mov #0x1234, r5
mov #DMEM_200, r4
add 16(r4), r5 ;# Write 0x8347+0x1234=0x957b to R5
mov #0x000a, &DMEM_208
mov #DMEM_200, r4
mov #0x1234, r6
add 8(r4), r0
nop
nop
nop
nop
mov #0x0000, r6 ;# Make sure the jump is taken
test_xRn_PC:
mov #0x4241, &DMEM_210
mov #0x1535, &DMEM_214
mov #DMEM_200, r7
mov #DMEM_202, r8
add 16(r7), 18(r8) ;# Write 0x4241+0x1535=0x5776 to memory @0x214
mov #0x7238, &DMEM_204
mov #0x2143, &DMEM_220
mov #DMEM_200, r7
add 4(r7), xRn_EDE ;# Write 0x7238+0x2143=0x937b to memory @0x220
mov #0x98b2, &DMEM_216
mov #0x1432, &DMEM_208
mov #DMEM_200, r7
add 22(r4), &xRn_TONY ;# Write 0x0x98b2+0x1432=0xace4 to memory @0x208
mov #0x6000, r15
/* ---------------------- TEST WHEN SOURCE IS 'EDE' ---------------- */
.set EDE_EDE, DMEM_216+PMEM_EDE_LENGTH
.set EDE_TONY, DMEM_212
.set EDE_200, DMEM_200+PMEM_EDE_LENGTH
.set EDE_202, DMEM_202+PMEM_EDE_LENGTH
.set EDE_204, DMEM_204+PMEM_EDE_LENGTH
.set EDE_206, DMEM_206+PMEM_EDE_LENGTH
.set EDE_208, DMEM_208+PMEM_EDE_LENGTH
mov #0xc3d6, &DMEM_200
mov #0x1234, &DMEM_204
mov #0x4321, r4
add EDE_200, r4 ;# Write 0xc3d6+0x4321=0x06f7 to R4
mov #0x000a, &DMEM_202
mov #0x1234, &DMEM_204
mov #0x3456, r6
add EDE_202, r0
nop
nop
nop
nop
mov #0x0000, r6 ;# Make sure the jump is taken
test_EDE_PC:
mov #DMEM_202, r8
mov #0xf712, &DMEM_204
mov #0x1234, &DMEM_214
mov #0x0000, &DMEM_208
add EDE_204, 18(r8) ;# Write 0xf712+0x1234=0x0946 to memory @0x214
mov #0xb3a9, &DMEM_206
mov #0x058a, &DMEM_216
mov #0x1234, &DMEM_208
add EDE_206, EDE_EDE ;# Write 0xb3a9+0x058a=0xb933 to memory @0x216
mov #0x837A, &DMEM_208
mov #0xA738, &DMEM_212
mov #0x1234, &DMEM_20A
add EDE_208, &EDE_TONY ;# Write 0x837A+0xA738=0x2ab2 to memory @0x212
mov #0x7000, r15
/* ---------------------- TEST WHEN SOURCE IS '&EDE' --------------- */
.set aEDE_EDE, DMEM_218+PMEM_EDE_LENGTH
.set aEDE_TONY, DMEM_202
mov #0x23d4, &DMEM_200
mov #0x1234, &DMEM_202
mov #0x4321, r4
add &DMEM_200, r4 ;# Write 0x23d4+0x4321=0x66f5 to R4
mov #0x000a, &DMEM_202
mov #0x1234, &DMEM_204
mov #0x3456, r6
add &DMEM_202, r0
nop
nop
nop
nop
mov #0x0000, r6 ;# Make sure the jump is taken
test_aEDE_PC:
mov #DMEM_202, r7
mov #0x481c, &DMEM_204
mov #0x3ab5, &DMEM_214
mov #0x1234, &DMEM_206
add &DMEM_204, 18(r7) ;# Write 0x481c+0x3ab5=0x82d1 to memory @0x214
mov #0x5c1f, &DMEM_206
mov #0x6e2f, &DMEM_218
mov #0x1234, &DMEM_208
add &DMEM_206, aEDE_EDE ;# Write 0x5c1f+0x6e2f=0xca4e to memory @0x218
mov #0xc16e, &DMEM_208
mov #0x51ca, &DMEM_202
mov #0x1234, &DMEM_20A
add &DMEM_208, &aEDE_TONY ;# Write 0xc16e+0x51ca=0x1338 to memory @0x202
mov #0x8000, r15
/* ---------------------- TEST WHEN SOURCE IS CONSTANT ------------- */
.set CONST_EDE0, DMEM_220+PMEM_EDE_LENGTH
.set CONST_EDE1, DMEM_222+PMEM_EDE_LENGTH
.set CONST_EDE2, DMEM_224+PMEM_EDE_LENGTH
.set CONST_EDE4, DMEM_226+PMEM_EDE_LENGTH
.set CONST_EDE8, DMEM_228+PMEM_EDE_LENGTH
.set CONST_EDEm1, DMEM_22A+PMEM_EDE_LENGTH
.set CONST_TONY0, DMEM_230
.set CONST_TONY1, DMEM_232
.set CONST_TONY2, DMEM_234
.set CONST_TONY4, DMEM_236
.set CONST_TONY8, DMEM_238
.set CONST_TONYm1, DMEM_23A
mov #0x4444, r4 ;# Initialize registers
mov #0x5555, r5
mov #0x6666, r6
mov #0x7777, r7
mov #0x8888, r8
mov #0x9999, r9
add #0x0000, r4 ;# Write 0x4444+0 to R4
add #0x0001, r5 ;# Write 0x5555+1 to R5
add #0x0002, r6 ;# Write 0x6666+2 to R6
add #0x0004, r7 ;# Write 0x7777+4 to R7
add #0x0008, r8 ;# Write 0x8888+8 to R8
add #0xffff, r9 ;# Write 0x9999-1 to R9
mov #0x1234, r11
add #0x0004, r0
clr r11
clr r11
jmp end_const_r0
clr r11
clr r11
end_const_r0:
mov #DMEM_202, r10
mov #0x4444, &DMEM_210 ;# Initialize Memory
mov #0x5555, &DMEM_212
mov #0x6666, &DMEM_214
mov #0x7777, &DMEM_216
mov #0x8888, &DMEM_218
mov #0x9999, &DMEM_21A
add #0x0000, 14(r10) ;# Move 0x4444+0 to memory @0x210
add #0x0001, 16(r10) ;# Move 0x5555+1 to memory @0x212
add #0x0002, 18(r10) ;# Move 0x6666+2 to memory @0x214
add #0x0004, 20(r10) ;# Move 0x7777+4 to memory @0x216
add #0x0008, 22(r10) ;# Move 0x8888+8 to memory @0x218
add #0xffff, 24(r10) ;# Move 0x9999-1 to memory @0x21A
mov #0x4444, &DMEM_220 ;# Initialize Memory
mov #0x5555, &DMEM_222
mov #0x6666, &DMEM_224
mov #0x7777, &DMEM_226
mov #0x8888, &DMEM_228
mov #0x9999, &DMEM_22A
add #0x0000, CONST_EDE0 ;# Move 0x4444+0 to memory @0x220
add #0x0001, CONST_EDE1 ;# Move 0x5555+1 to memory @0x222
add #0x0002, CONST_EDE2 ;# Move 0x6666+2 to memory @0x224
add #0x0004, CONST_EDE4 ;# Move 0x7777+4 to memory @0x226
add #0x0008, CONST_EDE8 ;# Move 0x8888+8 to memory @0x228
add #0xffff, CONST_EDEm1 ;# Move 0x9999-1 to memory @0x22A
mov #0x4444, &DMEM_230 ;# Initialize Memory
mov #0x5555, &DMEM_232
mov #0x6666, &DMEM_234
mov #0x7777, &DMEM_236
mov #0x8888, &DMEM_238
mov #0x9999, &DMEM_23A
add #0x0000, &CONST_TONY0 ;# Move 0x4444+0 to memory @0x230
add #0x0001, &CONST_TONY1 ;# Move 0x5555+1 to memory @0x232
add #0x0002, &CONST_TONY2 ;# Move 0x6666+2 to memory @0x234
add #0x0004, &CONST_TONY4 ;# Move 0x7777+4 to memory @0x236
add #0x0008, &CONST_TONY8 ;# Move 0x8888+8 to memory @0x238
add #0xffff, &CONST_TONYm1 ;# Move 0x9999-1 to memory @0x23A
mov #0x9000, r15
/* ------------------------------ TEST FLAGS ---------------------- */
mov #0x0000, r2 ;# V=0, N=0, Z=0, C=0
mov #0x0444, r4 ;#
mov #0x0555, r5 ;#
add r4, r5 ;# Add r4+r5 (0x0444+0x0555=0x0999)
mov #0xA000, r15
mov #0x0000, r2 ;# V=0, N=0, Z=0, C=1
mov #0x0011, r4 ;#
mov #0xfff0, r5 ;#
add r4, r5 ;# Add r4+r5 (0xfff0+0x0011=0x0001)
mov #0xA001, r15
mov #0x0000, r2 ;# V=0, N=0, Z=1, C=0
mov #0x0000, r4 ;#
mov #0x0000, r5 ;#
add r4, r5 ;# Add r4+r5 (0x0000+0x0000=0x0000)
mov #0xA002, r15
mov #0x0000, r2 ;# V=0, N=1, Z=0, C=0
mov #0xff00, r4 ;#
mov #0x0010, r5 ;#
add r4, r5 ;# Add r4+r5 (0xff00+0x0010=0xff10)
mov #0xA003, r15
mov #0x0000, r2 ;# V=1, N=1, Z=0, C=0
mov #0x7fff, r4 ;#
mov #0x0010, r5 ;#
add r4, r5 ;# Add r4+r5 (0x7fff+0x0010=0x800f)
mov #0xA004, r15
mov #0x0000, r2 ;# V=1, N=0, Z=0, C=1
mov #0xff00, r4 ;#
mov #0x8000, r5 ;#
add r4, r5 ;# Add r4+r5 (0xff00+0x8000=0x7f00)
mov #0xA005, r15
/* ---------------- TEST WHEN SOURCE IS CONSTANT IN BYTE MODE ------ */
#
# NOTE: The following section would not fit in the smallest ROM
# configuration for the "two-op_add-b.s43" pattern.
# It is therefore executed here.
#
.set CONSTL_TONY0, DMEM_250
.set CONSTL_TONY1, DMEM_252
.set CONSTL_TONY2, DMEM_254
.set CONSTL_TONY4, DMEM_256
.set CONSTL_TONY8, DMEM_258
.set CONSTL_TONYm1, DMEM_25A
.set CONSTH_TONY0, DMEM_25D
.set CONSTH_TONY1, DMEM_25F
.set CONSTH_TONY2, DMEM_261
.set CONSTH_TONY4, DMEM_263
.set CONSTH_TONY8, DMEM_265
.set CONSTH_TONYm1, DMEM_267
mov #0xaa44, &DMEM_250 ;# Initialize Memory
mov #0xaa55, &DMEM_252
mov #0xaa66, &DMEM_254
mov #0xaa77, &DMEM_256
mov #0xaa35, &DMEM_258
mov #0xaa99, &DMEM_25A
mov #0xaa55, &DMEM_25C
mov #0xbb55, &DMEM_25E
mov #0xcc55, &DMEM_260
mov #0xdd55, &DMEM_262
mov #0xee55, &DMEM_264
mov #0x3355, &DMEM_266
add.b #0x0000, &CONSTL_TONY0 ;# Move +0 to memory @0x250
add.b #0x0001, &CONSTL_TONY1 ;# Move +1 to memory @0x252
add.b #0x0002, &CONSTL_TONY2 ;# Move +2 to memory @0x254
add.b #0x0004, &CONSTL_TONY4 ;# Move +4 to memory @0x256
add.b #0x0008, &CONSTL_TONY8 ;# Move +8 to memory @0x258
add.b #0xffff, &CONSTL_TONYm1 ;# Move -1 to memory @0x25A
add.b #0x0000, &CONSTH_TONY0 ;# Move +0 to memory @0x25D
add.b #0x0001, &CONSTH_TONY1 ;# Move +1 to memory @0x25F
add.b #0x0002, &CONSTH_TONY2 ;# Move +2 to memory @0x261
add.b #0x0004, &CONSTH_TONY4 ;# Move +4 to memory @0x263
add.b #0x0008, &CONSTH_TONY8 ;# Move +8 to memory @0x265
add.b #0xffff, &CONSTH_TONYm1 ;# Move -1 to memory @0x267
mov #0xB000, r15
/* ------------------ TEST FLAGS IN BYTE MODE --------------------- */
mov #0x0000, r2 ;# V=0, N=0, Z=0, C=0
mov #0xaa04, r4 ;#
mov #0x6605, r5 ;#
add.b r4, r5 ;# Add r4+r5 (0xaa04+0x6605=0x0009)
mov #0xC000, r15
mov #0x0000, r2 ;# V=0, N=0, Z=0, C=1
mov #0xaa11, r4 ;#
mov #0x66f0, r5 ;#
add.b r4, r5 ;# Add r4+r5 (0x0011+0x00f0=0x0001)
mov #0xC001, r15
mov #0x0000, r2 ;# V=0, N=0, Z=1, C=0
mov #0xaa00, r4 ;#
mov #0x6600, r5 ;#
add.b r4, r5 ;# Add r4+r5 (0x0000+0x0000=0x0000)
mov #0xC002, r15
mov #0x0000, r2 ;# V=0, N=1, Z=0, C=0
mov #0xaaf0, r4 ;#
mov #0x6603, r5 ;#
add.b r4, r5 ;# Add r4+r5 (0x00f0+0x0003=0x00f3)
mov #0xC003, r15
mov #0x0000, r2 ;# V=1, N=1, Z=0, C=0
mov #0x007f, r4 ;#
mov #0x0010, r5 ;#
add.b r4, r5 ;# Add r4+r5 (0x007f+0x0010=0x008f)
mov #0xC004, r15
mov #0x0000, r2 ;# V=1, N=0, Z=0, C=1
mov #0x00ff, r4 ;#
mov #0x0080, r5 ;#
add.b r4, r5 ;# Add r4+r5 (0x00ff+0x0080=0x007f)
mov #0xC005, r15
/* ---------------------- END OF TEST --------------- */
mov #0xD000, r15
end_of_test:
nop
br #0xffff
/* ---------------------- INTERRUPT VECTORS --------------- */
.section .vectors, "a"
.word end_of_test ; Interrupt 0 (lowest priority)
.word end_of_test ; Interrupt 1
.word end_of_test ; Interrupt 2
.word end_of_test ; Interrupt 3
.word end_of_test ; Interrupt 4
.word end_of_test ; Interrupt 5
.word end_of_test ; Interrupt 6
.word end_of_test ; Interrupt 7
.word end_of_test ; Interrupt 8
.word end_of_test ; Interrupt 9
.word end_of_test ; Interrupt 10 Watchdog timer
.word end_of_test ; Interrupt 11
.word end_of_test ; Interrupt 12
.word end_of_test ; Interrupt 13
.word end_of_test ; Interrupt 14 NMI
.word main ; Interrupt 15 (highest priority) RESET
