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Merge pull request #2198 from jfdelnero/master

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8051 MCU family core fix : Fix the indirect memory access opcodes dec…
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R. Belmont 2017-04-01 22:40:39 -04:00 committed by GitHub
commit 244ba64207
1 changed files with 3 additions and 3 deletions
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6
src/devices/cpu/mcs51/mcs51ops.hxx
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@ -305,7 +305,7 @@ OPHANDLER( dec_mem )
OPHANDLER( dec_ir ) OPHANDLER( dec_ir )
{ {
uint8_t data = IRAM_IR(R_REG(r)); uint8_t data = IRAM_IR(R_REG(r));
IRAM_W(R_REG(r),data-1); IRAM_IW(R_REG(r),data-1);
} }
//DEC R0 to R7 /* 1: 0001 1rrr */ //DEC R0 to R7 /* 1: 0001 1rrr */
@ -378,7 +378,7 @@ OPHANDLER( inc_mem )
OPHANDLER( inc_ir ) OPHANDLER( inc_ir )
{ {
uint8_t data = IRAM_IR(R_REG(r)); uint8_t data = IRAM_IR(R_REG(r));
IRAM_W(R_REG(r),data+1); IRAM_IW(R_REG(r),data+1);
} }
//INC R0 to R7 /* 1: 0000 1rrr */ //INC R0 to R7 /* 1: 0000 1rrr */
@ -907,7 +907,7 @@ OPHANDLER( xch_a_ir )
uint8_t data = IRAM_IR(R_REG(r)); //Grab data pointed to by R0 or R1 uint8_t data = IRAM_IR(R_REG(r)); //Grab data pointed to by R0 or R1
uint8_t oldACC = ACC; //Hold value of ACC uint8_t oldACC = ACC; //Hold value of ACC
SET_ACC(data); //Sets ACC to data SET_ACC(data); //Sets ACC to data
IRAM_W(R_REG(r),oldACC); //Sets data address to old value of ACC IRAM_IW(R_REG(r),oldACC); //Sets data address to old value of ACC
} }
//XCH A, RO to R7 /* 1: 1100 1rrr */ //XCH A, RO to R7 /* 1: 1100 1rrr */