/*===========================================================================*/ /* 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: MOV INSTRUCTION */ /*---------------------------------------------------------------------------*/ /* Test the MOV instruction with all addressing modes */ /* */ /* Author(s): */ /* - Olivier Girard, olgirard@gmail.com */ /* */ /*---------------------------------------------------------------------------*/ /* $Rev: 111 $ */ /* $LastChangedBy: olivier.girard $ */ /* $LastChangedDate: 2011-05-20 22:39:02 +0200 (Fri, 20 May 2011) $ */ /*===========================================================================*/ .set DMEM_BASE, (__data_start ) .set DMEM_200, (__data_start+0x00) .set DMEM_202, (__data_start+0x02) .set DMEM_204, (__data_start+0x04) .set DMEM_206, (__data_start+0x06) .set DMEM_208, (__data_start+0x08) .set DMEM_20A, (__data_start+0x0A) .set DMEM_20C, (__data_start+0x0C) .set DMEM_20E, (__data_start+0x0E) .set DMEM_210, (__data_start+0x10) .set DMEM_212, (__data_start+0x12) .set DMEM_214, (__data_start+0x14) .set DMEM_216, (__data_start+0x16) .set DMEM_218, (__data_start+0x18) .set DMEM_21A, (__data_start+0x1A) .set DMEM_21C, (__data_start+0x1C) .set DMEM_21E, (__data_start+0x1E) .set DMEM_220, (__data_start+0x20) .set DMEM_222, (__data_start+0x22) .set DMEM_224, (__data_start+0x24) .set DMEM_226, (__data_start+0x26) .set DMEM_228, (__data_start+0x28) .set DMEM_22A, (__data_start+0x2A) .set DMEM_22C, (__data_start+0x2C) .set DMEM_22E, (__data_start+0x2E) .set DMEM_230, (__data_start+0x30) .set DMEM_232, (__data_start+0x32) .set DMEM_234, (__data_start+0x34) .set DMEM_236, (__data_start+0x36) .set DMEM_238, (__data_start+0x38) .set DMEM_23A, (__data_start+0x3A) .set DMEM_23C, (__data_start+0x3C) .set DMEM_23E, (__data_start+0x3E) .set DMEM_240, (__data_start+0x40) .set DMEM_250, (__data_start+0x50) .set DMEM_252, (__data_start+0x52) .set DMEM_254, (__data_start+0x54) .set DMEM_256, (__data_start+0x56) .set DMEM_258, (__data_start+0x58) .set DMEM_25A, (__data_start+0x5A) .set DMEM_25C, (__data_start+0x5C) .set DMEM_25D, (__data_start+0x5D) .set DMEM_25E, (__data_start+0x5E) .set DMEM_25F, (__data_start+0x5F) .set DMEM_260, (__data_start+0x60) .set DMEM_261, (__data_start+0x61) .set DMEM_262, (__data_start+0x62) .set DMEM_263, (__data_start+0x63) .set DMEM_264, (__data_start+0x64) .set DMEM_265, (__data_start+0x65) .set DMEM_266, (__data_start+0x66) .set DMEM_267, (__data_start+0x67) .global main main: /* ---------------------- INITIALIZE REGISTERS --------------------- */ mov #0x2222, 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_200 .set Rn_TONY, DMEM_204 mov r4, r3 ;# Overwrite r3 with 0x4444 mov #test_Rn_PC, r4 br r4 nop nop nop nop mov #0x0000, r4 ;# Make sure the jump is taken test_Rn_PC: mov #DMEM_200, r5 mov #0x1234, r6 mov r6, 16(r5) ;# Write 0x1234 to memory @0x0210 mov #0x5678, r7 mov r7, Rn_EDE ;# Write 0x5678 to memory @0x0200 mov #0x9abc, r8 mov r8, &Rn_TONY ;# Write 0x9abc to memory @0x0204 mov #0x2000, r15 /* ---------------------- TEST WHEN SOURCE IS @Rn ------------------ */ .set aRn_EDE, DMEM_200 .set aRn_TONY, DMEM_204 mov #DMEM_210, r4 mov #0x3333, r3 mov @r4, r3 ;# r3 takes @0x0210 value: 0x1234 mov #test_aRn_PC, r4 mov r4, &DMEM_200 mov #DMEM_200, r4 br @r4 nop nop nop mov #0x0000, r4 ;# Make sure the jump is taken test_aRn_PC: mov #DMEM_200, r5 mov #DMEM_204, r6 mov @r6, 16(r5) ;# Move memory @0x204 (0x9abc) to memory @0x210 mov #0xfedc, &DMEM_202 mov #DMEM_202, r6 mov @r6, aRn_EDE ;# Move memory @0x202 (0xfedc) to memory @0x200 mov #0xf1d2, &DMEM_202 mov #DMEM_202, r6 mov @r6, &aRn_TONY ;# Move memory @0x202 (0xf1d2) to memory @0x204 mov #0x3000, r15 /* ---------------------- TEST WHEN SOURCE IS @Rn+ ----------------- */ .set aRni_EDE, DMEM_200 .set aRni_TONY, DMEM_214 mov #0x1111, &DMEM_200 mov #DMEM_200, r4 mov @r4+, r5 ;# Write @0x200 (0x1111) to R5 mov #test_aRni_PC, &DMEM_204 mov #DMEM_204, r6 br @r6+ nop nop nop nop mov #0x0000, r6 ;# Make sure the jump is taken test_aRni_PC: mov #0x1234, &DMEM_210 mov #0x5678, &DMEM_212 mov #0x9abc, &DMEM_214 mov #0xdef0, &DMEM_216 mov #DMEM_210, r8 mov #DMEM_216, r7 mov @r7+, 16(r8) ;# Move memory @0x216 (0xdef0) to memory @0x220 mov #DMEM_212, r8 mov @r8+, aRni_EDE ;# Move memory @0x212 (0x5678) to memory @0x200 mov #DMEM_210, r9 mov @r9+, &aRni_TONY ;# Move memory @0x210 (0x1234) to memory @0x214 mov #0x4000, r15 /* ---------------------- TEST WHEN SOURCE IS #N ------------------- */ .set N_EDE, DMEM_210 .set N_TONY, DMEM_206 mov #0x3210, r4 ;# Write 0x3210 to R4 mov #0xfcde, r5 br #test_N_PC nop nop nop nop mov #0x0000, r5 ;# Make sure the jump is taken test_N_PC: mov #DMEM_200, r6 mov #0x5a5a, 48(r6) ;# Move memory 0x5a5a to memory @0x230 mov #0x1a2b, N_EDE ;# Move memory 0x1a2b to memory @0x210 mov #0x3c4d, &N_TONY ;# Move memory 0x3c4d to memory @0x206 mov #0x5000, r15 /* ---------------------- TEST WHEN SOURCE IS x(Rn) ---------------- */ .set xRn_EDE, DMEM_220 .set xRn_TONY, DMEM_208 mov #0x8347, &DMEM_210 mov #0x1234, &DMEM_200 mov #DMEM_200, r4 mov 16(r4), r5 ;# Write 0x8347 to R5 mov #test_xRn_PC, &DMEM_208 mov #0x1234, &DMEM_200 mov #0x2345, r6 mov #DMEM_200, r4 br 8(r4) nop nop nop nop mov #0x0000, r6 ;# Make sure the jump is taken test_xRn_PC: mov #0x4231, &DMEM_210 mov #0x1234, &DMEM_200 mov #DMEM_200, r7 mov #DMEM_202, r8 mov 16(r7), 18(r8) ;# Move memory @0x210 (0x4231) to memory @0x214 mov #0x7238, &DMEM_204 mov #0x1234, &DMEM_200 mov #DMEM_200, r7 mov 4(r7), xRn_EDE ;# Move memory @0x204 (0x7238) to memory @0x220 mov #0x98b2, &DMEM_216 mov #0x1234, &DMEM_200 mov #DMEM_200, r7 mov 22(r4), &xRn_TONY ;# Move memory @0x216 (0x98b2) to memory @0x208 mov #0x6000, r15 /* ---------------------- TEST WHEN SOURCE IS 'EDE' ---------------- */ .set EDE_EDE, DMEM_216 .set EDE_TONY, DMEM_212 .set EDE_200, DMEM_200 .set EDE_202, DMEM_202 .set EDE_204, DMEM_204 .set EDE_206, DMEM_206 .set EDE_208, DMEM_208 mov #0xc3d6, &DMEM_200 mov #0x1234, &DMEM_202 mov #0x4321, r4 mov EDE_200, r4 ;# Write 0xc3d6 to R4 mov #test_EDE_PC, &DMEM_202 mov #0x1234, &DMEM_204 mov #0x3456, r6 br EDE_202 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_206 mov EDE_204, 18(r8) ;# Move memory @0x204 (0xf712) to memory @0x214 mov #0xb3a9, &DMEM_206 mov #0x1234, &DMEM_208 mov EDE_206, EDE_EDE ;# Move memory @0x206 (0xb3a9) to memory @0x216 mov #0x837A, &DMEM_208 mov #0x1234, &DMEM_20A mov EDE_208, &EDE_TONY ;# Move memory @0x208 (0x837A) to memory @0x212 mov #0x7000, r15 /* ---------------------- TEST WHEN SOURCE IS '&EDE' --------------- */ .set aEDE_EDE, DMEM_218 .set aEDE_TONY, DMEM_202 mov #0x23d4, &DMEM_200 mov #0x1234, &DMEM_202 mov #0x4321, r4 mov &DMEM_200, r4 ;# Write 0x23d4 to R4 mov #test_aEDE_PC, &DMEM_202 mov #0x1234, &DMEM_204 mov #0xfb58, r6 br &DMEM_202 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 #0x1234, &DMEM_206 mov &DMEM_204, 18(r7) ;# Move memory @0x204 (0x481c) to memory @0x214 mov #0x5c1f, &DMEM_206 mov #0x1234, &DMEM_208 mov &DMEM_206, aEDE_EDE ;# Move memory @0x206 (0x5c1f) to memory @0x218 mov #0xc16e, &DMEM_208 mov #0x1234, &DMEM_20A mov &DMEM_208, &aEDE_TONY ;# Move memory @0x208 (0xc16e) to memory @0x202 mov #0x8000, r15 /* ---------------------- TEST WHEN SOURCE IS CONSTANT ------------- */ .set CONST_EDE0, DMEM_220 .set CONST_EDE1, DMEM_222 .set CONST_EDE2, DMEM_224 .set CONST_EDE4, DMEM_226 .set CONST_EDE8, DMEM_228 .set CONST_EDEm1, DMEM_22A .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 mov #0x0000, r4 ;# Write +0 to R4 mov #0x0001, r5 ;# Write +1 to R5 mov #0x0002, r6 ;# Write +2 to R6 mov #0x0004, r7 ;# Write +4 to R7 mov #0x0008, r8 ;# Write +8 to R8 mov #0xffff, r9 ;# Write -1 to R9 mov #DMEM_202, r10 mov #0x1234, r11 mov #0x0000, 14(r10) ;# Move +0 to memory @0x210 mov #0x0001, 16(r10) ;# Move +1 to memory @0x212 mov #0x0002, 18(r10) ;# Move +2 to memory @0x214 mov #0x0004, 20(r10) ;# Move +4 to memory @0x216 mov #0x0008, 22(r10) ;# Move +8 to memory @0x218 mov #0xffff, 24(r10) ;# Move -1 to memory @0x21A mov #0x0000, CONST_EDE0 ;# Move +0 to memory @0x220 mov #0x0001, CONST_EDE1 ;# Move +1 to memory @0x222 mov #0x0002, CONST_EDE2 ;# Move +2 to memory @0x224 mov #0x0004, CONST_EDE4 ;# Move +4 to memory @0x226 mov #0x0008, CONST_EDE8 ;# Move +8 to memory @0x228 mov #0xffff, CONST_EDEm1 ;# Move -1 to memory @0x22A mov #0x0000, &CONST_TONY0 ;# Move +0 to memory @0x230 mov #0x0001, &CONST_TONY1 ;# Move +1 to memory @0x232 mov #0x0002, &CONST_TONY2 ;# Move +2 to memory @0x234 mov #0x0004, &CONST_TONY4 ;# Move +4 to memory @0x236 mov #0x0008, &CONST_TONY8 ;# Move +8 to memory @0x238 mov #0xffff, &CONST_TONYm1 ;# Move -1 to memory @0x23A mov #0x9000, 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_mov-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 #0x4444, &DMEM_250 ;# Initialize Memory mov #0x5555, &DMEM_252 mov #0x6666, &DMEM_254 mov #0x7777, &DMEM_256 mov #0x3535, &DMEM_258 mov #0x9999, &DMEM_25A mov #0xaaaa, &DMEM_25C mov #0xbbbb, &DMEM_25E mov #0xcccc, &DMEM_260 mov #0xdddd, &DMEM_262 mov #0xeeee, &DMEM_264 mov #0x3333, &DMEM_266 mov.b #0x0000, &CONSTL_TONY0 ;# Move +0 to memory @0x250 mov.b #0x0001, &CONSTL_TONY1 ;# Move +1 to memory @0x252 mov.b #0x0002, &CONSTL_TONY2 ;# Move +2 to memory @0x254 mov.b #0x0004, &CONSTL_TONY4 ;# Move +4 to memory @0x256 mov.b #0x0008, &CONSTL_TONY8 ;# Move +8 to memory @0x258 mov.b #0xffff, &CONSTL_TONYm1 ;# Move -1 to memory @0x25A mov.b #0x0000, &CONSTH_TONY0 ;# Move +0 to memory @0x25D mov.b #0x0001, &CONSTH_TONY1 ;# Move +1 to memory @0x25F mov.b #0x0002, &CONSTH_TONY2 ;# Move +2 to memory @0x261 mov.b #0x0004, &CONSTH_TONY4 ;# Move +4 to memory @0x263 mov.b #0x0008, &CONSTH_TONY8 ;# Move +8 to memory @0x265 mov.b #0xffff, &CONSTH_TONYm1 ;# Move -1 to memory @0x267 mov #0xA000, r15 /* ---------------------- END OF TEST --------------- */ 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

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