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Add immediate ADC ocpu instruction

This commit is contained in:
g1n 2022-04-17 11:52:44 +03:00
parent 4d0f8d0b6a
commit bbd0aae6be
Signed by: g1n
GPG Key ID: 8D352193D65D4E2C
2 changed files with 456 additions and 390 deletions
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8
src/include/yemu/ocpu.h
View File

@ -38,6 +38,14 @@
#define INS_MOV_REG 0xA1
#define INS_ADD_IM 0x10
#define INS_ADD_REG 0xB0
#define INS_ADC_IM 0x11
#define INS_ADC_REG 0xB1
#define INS_SUB_IM 0x12
#define INS_SUB_REG 0xB2
#define INS_MUL_IM 0x13
#define INS_MUL_REG 0xB3
#define INS_DIV_IM 0x14
#define INS_DIV_REG 0xB4
#define INS_INC 0x15
#define INS_DEC 0x16
#define INS_OCPU_NOP 0x90

130
src/ocpu/ocpu.c
View File

@ -108,7 +108,6 @@ void ocpu_execute() {
switch(instruction) {
case INS_MOV_IM:
reg = ocpu_fetch_byte();
switch(reg) {
case REG_AL:
value = ocpu_fetch_byte();
@ -124,7 +123,6 @@ void ocpu_execute() {
word_value = ocpu_fetch_word();
ocpu.A = word_value;
break;
case REG_BL:
value = ocpu_fetch_byte();
ocpu.B = (ocpu.B & 0xFF00) | (value & 0xFF);
@ -139,7 +137,6 @@ void ocpu_execute() {
word_value = ocpu_fetch_word();
ocpu.B = word_value;
break;
case REG_CL:
value = ocpu_fetch_byte();
ocpu.C = (ocpu.C & 0xFF00) | (value & 0xFF);
@ -154,7 +151,6 @@ void ocpu_execute() {
word_value = ocpu_fetch_word();
ocpu.C = word_value;
break;
case REG_DL:
value = ocpu_fetch_byte();
ocpu.D = (ocpu.D & 0xFF00) | (value & 0xFF);
@ -169,7 +165,6 @@ void ocpu_execute() {
word_value = ocpu_fetch_word();
ocpu.D = word_value;
break;
case REG_EL:
value = ocpu_fetch_byte();
ocpu.E = (ocpu.E & 0xFF00) | (value & 0xFF);
@ -184,7 +179,6 @@ void ocpu_execute() {
word_value = ocpu_fetch_word();
ocpu.E = word_value;
break;
case REG_FL:
value = ocpu_fetch_byte();
ocpu.F = (ocpu.F & 0xFF00) | (value & 0xFF);
@ -199,7 +193,6 @@ void ocpu_execute() {
word_value = ocpu_fetch_word();
ocpu.F = word_value;
break;
default:
printf("Wrong register: %02X\n", reg);
return;
@ -222,7 +215,6 @@ void ocpu_execute() {
word_value = match_register(ocpu_fetch_byte());
ocpu.A = word_value;
break;
case REG_BL:
value = match_register(ocpu_fetch_byte());
ocpu.B = (ocpu.B & 0xFF00) | (value & 0xFF);
@ -237,7 +229,6 @@ void ocpu_execute() {
word_value = match_register(ocpu_fetch_byte());
ocpu.B = word_value;
break;
case REG_CL:
value = match_register(ocpu_fetch_byte());
ocpu.C = (ocpu.C & 0xFF00) | (value & 0xFF);
@ -252,7 +243,6 @@ void ocpu_execute() {
word_value = match_register(ocpu_fetch_byte());
ocpu.C = word_value;
break;
case REG_DL:
value = match_register(ocpu_fetch_byte());
ocpu.D = (ocpu.D & 0xFF00) | (value & 0xFF);
@ -267,7 +257,6 @@ void ocpu_execute() {
word_value = match_register(ocpu_fetch_byte());
ocpu.D = word_value;
break;
case REG_EL:
value = match_register(ocpu_fetch_byte());
ocpu.E = (ocpu.E & 0xFF00) | (value & 0xFF);
@ -282,7 +271,6 @@ void ocpu_execute() {
word_value = match_register(ocpu_fetch_byte());
ocpu.E = word_value;
break;
case REG_FL:
value = match_register(ocpu_fetch_byte());
ocpu.F = (ocpu.F & 0xFF00) | (value & 0xFF);
@ -321,7 +309,6 @@ void ocpu_execute() {
word_value = ocpu_fetch_word();
ocpu.A += word_value;
break;
case REG_BL:
value = ocpu_fetch_byte();
ocpu.B += (ocpu.B & 0xFF00) | (value & 0xFF);
@ -336,7 +323,6 @@ void ocpu_execute() {
word_value = ocpu_fetch_word();
ocpu.B += word_value;
break;
case REG_CL:
value = ocpu_fetch_byte();
ocpu.C += (ocpu.C & 0xFF00) | (value & 0xFF);
@ -351,7 +337,6 @@ void ocpu_execute() {
word_value = ocpu_fetch_word();
ocpu.C += word_value;
break;
case REG_DL:
value = ocpu_fetch_byte();
ocpu.D += (ocpu.D & 0xFF00) | (value & 0xFF);
@ -366,7 +351,6 @@ void ocpu_execute() {
word_value = ocpu_fetch_word();
ocpu.D += word_value;
break;
case REG_EL:
value = ocpu_fetch_byte();
ocpu.E += (ocpu.E & 0xFF00) | (value & 0xFF);
@ -381,7 +365,6 @@ void ocpu_execute() {
word_value = ocpu_fetch_word();
ocpu.E += word_value;
break;
case REG_FL:
value = ocpu_fetch_byte();
ocpu.F += (ocpu.F & 0xFF00) | (value & 0xFF);
@ -396,7 +379,6 @@ void ocpu_execute() {
word_value = ocpu_fetch_word();
ocpu.F += word_value;
break;
default:
printf("Wrong register: %02X\n", reg);
return;
@ -419,7 +401,6 @@ void ocpu_execute() {
word_value = match_register(ocpu_fetch_byte());
ocpu.A += word_value;
break;
case REG_BL:
value = match_register(ocpu_fetch_byte());
ocpu.B += (ocpu.B & 0xFF00) | (value & 0xFF);
@ -434,7 +415,6 @@ void ocpu_execute() {
word_value = match_register(ocpu_fetch_byte());
ocpu.B += word_value;
break;
case REG_CL:
value = match_register(ocpu_fetch_byte());
ocpu.C += (ocpu.C & 0xFF00) | (value & 0xFF);
@ -449,7 +429,6 @@ void ocpu_execute() {
word_value = match_register(ocpu_fetch_byte());
ocpu.C += word_value;
break;
case REG_DL:
value = match_register(ocpu_fetch_byte());
ocpu.D += (ocpu.D & 0xFF00) | (value & 0xFF);
@ -464,7 +443,6 @@ void ocpu_execute() {
word_value = match_register(ocpu_fetch_byte());
ocpu.D += word_value;
break;
case REG_EL:
value = match_register(ocpu_fetch_byte());
ocpu.E += (ocpu.E & 0xFF00) | (value & 0xFF);
@ -479,7 +457,6 @@ void ocpu_execute() {
word_value = match_register(ocpu_fetch_byte());
ocpu.E += word_value;
break;
case REG_FL:
value = match_register(ocpu_fetch_byte());
ocpu.F += (ocpu.F & 0xFF00) | (value & 0xFF);
@ -494,12 +471,105 @@ void ocpu_execute() {
word_value = match_register(ocpu_fetch_byte());
ocpu.F += word_value;
break;
default:
printf("Wrong register: %02X\n", reg);
return;
}
break;
case INS_ADC_IM:
reg = ocpu_fetch_byte();
switch(reg) {
case REG_AL:
value = ocpu_fetch_byte();
ocpu.A += (((ocpu.A & 0xFF00) | (value & 0xFF)) + ocpu.CF);
ocpu.AL = ocpu.A & 0xFF;
break;
case REG_AH:
value = ocpu_fetch_byte();
ocpu.A += ((((value & 0xFF) << 8) | (ocpu.A & 0xFF)) + ocpu.CF);
ocpu.AH = ocpu.A >> 8;
break;
case REG_A:
word_value = match_register(ocpu_fetch_byte());
ocpu.A += word_value;
break;
case REG_BL:
value = ocpu_fetch_byte();
ocpu.B += (((ocpu.B & 0xFF00) | (value & 0xFF)) + ocpu.CF);
ocpu.BL = ocpu.B & 0xFF;
break;
case REG_BH:
value = ocpu_fetch_byte();
ocpu.B += ((((value & 0xFF) << 8) | (ocpu.B & 0xFF)) + ocpu.CF);
ocpu.BH = ocpu.B >> 8;
break;
case REG_B:
word_value = match_register(ocpu_fetch_byte());
ocpu.B += word_value;
break;
case REG_CL:
value = ocpu_fetch_byte();
ocpu.C += (((ocpu.C & 0xFF00) | (value & 0xFF)) + ocpu.CF);
ocpu.CL = ocpu.C & 0xFF;
break;
case REG_CH:
value = ocpu_fetch_byte();
ocpu.C += ((((value & 0xFF) << 8) | (ocpu.C & 0xFF)) + ocpu.CF);
ocpu.CH = ocpu.C >> 8;
break;
case REG_C:
word_value = match_register(ocpu_fetch_byte());
ocpu.C += word_value;
break;
case REG_DL:
value = ocpu_fetch_byte();
ocpu.D += (((ocpu.D & 0xFF00) | (value & 0xFF)) + ocpu.CF);
ocpu.DL = ocpu.D & 0xFF;
break;
case REG_DH:
value = ocpu_fetch_byte();
ocpu.D += ((((value & 0xFF) << 8) | (ocpu.D & 0xFF)) + ocpu.CF);
ocpu.DH = ocpu.D >> 8;
break;
case REG_D:
word_value = match_register(ocpu_fetch_byte());
ocpu.D += word_value;
break;
case REG_EL:
value = ocpu_fetch_byte();
ocpu.E += (((ocpu.E & 0xFF00) | (value & 0xFF)) + ocpu.CF);
ocpu.EL = ocpu.E & 0xFF;
break;
case REG_EH:
value = ocpu_fetch_byte();
ocpu.E += ((((value & 0xFF) << 8) | (ocpu.E & 0xFF)) + ocpu.CF);
ocpu.EH = ocpu.E >> 8;
break;
case REG_E:
word_value = match_register(ocpu_fetch_byte());
ocpu.E += word_value;
break;
case REG_FL:
value = ocpu_fetch_byte();
ocpu.F += (((ocpu.F & 0xFF00) | (value & 0xFF)) + ocpu.CF);
ocpu.FL = ocpu.F & 0xFF;
break;
case REG_FH:
value = ocpu_fetch_byte();
ocpu.F += ((((value & 0xFF) << 8) | (ocpu.F & 0xFF)) + ocpu.CF);
ocpu.FH = ocpu.F >> 8;
break;
case REG_F:
word_value = match_register(ocpu_fetch_byte());
ocpu.F += word_value;
break;
default:
printf("Wrong register: %02X\n", reg);
return;
}
break;
case INS_ADC_REG:
break;
case INS_INC:
reg = ocpu_fetch_byte();
switch(reg) {
@ -514,7 +584,6 @@ void ocpu_execute() {
case REG_A:
ocpu.A++;
break;
case REG_BL:
ocpu.B++;
ocpu.BL = ocpu.B & 0xFF;
@ -526,7 +595,6 @@ void ocpu_execute() {
case REG_B:
ocpu.B++;
break;
case REG_CL:
ocpu.C++;
ocpu.CL = ocpu.C & 0xFF;
@ -538,7 +606,6 @@ void ocpu_execute() {
case REG_C:
ocpu.C++;
break;
case REG_DL:
ocpu.D++;
ocpu.DL = ocpu.D & 0xFF;
@ -550,7 +617,6 @@ void ocpu_execute() {
case REG_D:
ocpu.D++;
break;
case REG_EL:
ocpu.E++;
ocpu.EL = ocpu.E & 0xFF;
@ -562,7 +628,6 @@ void ocpu_execute() {
case REG_E:
ocpu.E++;
break;
case REG_FL:
ocpu.F++;
ocpu.FL = ocpu.F & 0xFF;
@ -574,7 +639,6 @@ void ocpu_execute() {
case REG_F:
ocpu.F++;
break;
default:
printf("Wrong register: %02X\n", reg);
return;
@ -594,7 +658,6 @@ void ocpu_execute() {
case REG_A:
ocpu.A--;
break;
case REG_BL:
ocpu.B--;
ocpu.BL = ocpu.B & 0xFF;
@ -606,7 +669,6 @@ void ocpu_execute() {
case REG_B:
ocpu.B--;
break;
case REG_CL:
ocpu.C--;
ocpu.CL = ocpu.C & 0xFF;
@ -618,7 +680,6 @@ void ocpu_execute() {
case REG_C:
ocpu.C--;
break;
case REG_DL:
ocpu.D--;
ocpu.DL = ocpu.D & 0xFF;
@ -630,7 +691,6 @@ void ocpu_execute() {
case REG_D:
ocpu.D--;
break;
case REG_EL:
ocpu.E--;
ocpu.EL = ocpu.E & 0xFF;
@ -642,7 +702,6 @@ void ocpu_execute() {
case REG_E:
ocpu.E--;
break;
case REG_FL:
ocpu.F--;
ocpu.FL = ocpu.F & 0xFF;
@ -654,7 +713,6 @@ void ocpu_execute() {
case REG_F:
ocpu.F--;
break;
default:
printf("Wrong register: %02X\n", reg);
return;