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Fixed virtual keyboard bug, fixed CPIR and CPDR instructions

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This commit is contained in:
fabio.olimpieri 2012-05-25 18:22:35 +00:00
parent dd1edcde76
commit a93b567fda
5 changed files with 1056 additions and 1032 deletions
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12
src/computer.c
View File

@ -791,6 +791,11 @@ inline void read_keyboard () {
ordenador.keyboard_buffer[0][ordenador.kbd_buffer_pointer+1] = 0;
ordenador.keyboard_buffer[1][ordenador.kbd_buffer_pointer+1] = 0;
}
else
{
joybutton_matrix[0][(ordenador.keyboard_buffer[0][ordenador.kbd_buffer_pointer+1])]=1;
joybutton_matrix[0][(ordenador.keyboard_buffer[1][ordenador.kbd_buffer_pointer+1])]=1;
}
countdown--;
}
else if (ordenador.kbd_buffer_pointer)
@ -1275,16 +1280,18 @@ void Z80free_Out (register word Port, register byte Value) {
register word maskport;
if (((Port&0x0001)==0)||((Port>=0x4000)&&(Port<0x8000))||Port == 0xBF3B||Port == 0xFF3B) {
if (((Port&0x0001)==0)||((Port>=0x4000)&&(Port<0x8000))) {
do_contention();
}
// ULAPlus
if (Port == 0xBF3B) {
do_contention();
ordenador.ulaplus_reg = Value;
return;
}
if (Port == 0xFF3B) {
do_contention();
if (ordenador.ulaplus_reg==0x40) { // mode
ordenador.ulaplus=Value&0x01;
return;
@ -1348,13 +1355,14 @@ byte Z80free_In (register word Port) {
static unsigned int temporal_io;
byte pines;
if (((Port&0x0001)==0)||((Port>=0x4000)&&(Port<0x8000))||Port == 0xFF3B) {
if (((Port&0x0001)==0)||((Port>=0x4000)&&(Port<0x8000))) {
do_contention();
}
temporal_io = (unsigned int) Port;
if (Port == 0xFF3B) {
do_contention();
if (ordenador.ulaplus_reg==0x40) { // mode
return(ordenador.ulaplus&0x01);
}

4
src/z80free/Makefile.ori
View File

@ -1,5 +1,5 @@
CC = gcc -c -O1 -Wall
CCo = gcc -O1 -Wall
CC = gcc -c -O1 -Wall -DBYTE_ORDER=LITTLE_ENDIAN
CCo = gcc -O1 -Wall -DBYTE_ORDER=LITTLE_ENDIAN
z80free_tester: z80free_tester.o Z80free.o Z80free_codes.o Z80free_codesCB.o Z80free_codesED.o Z80free_codesDD.o Z80free_codesFD.o Z80free_codesDDCB.o Z80free_codesFDCB.o
$(CCo) -o z80free_tester z80free_tester.o Z80free.o Z80free_codes.o Z80free_codesCB.o Z80free_codesED.o Z80free_codesDD.o Z80free_codesFD.o Z80free_codesDDCB.o Z80free_codesFDCB.o

3
src/z80free/Z80free.h
View File

@ -22,7 +22,10 @@
#ifndef Z80FREE_H
#define Z80FREE_H
#ifdef GEKKO
#include <machine/endian.h>
#endif
#ifndef Z80_H
typedef unsigned short int word;
typedef unsigned char byte;

18
src/z80free/Z80free_codesED.c
View File

@ -279,8 +279,8 @@ int Z80free_codesED (Z80FREE *processor,byte opcode) {
processor->PC=Z80free_doPop(processor);
return (10);
break;
case 78: // IM 1
processor->IM=1;
case 78: // IM 0
processor->IM=0;
return (4);
break;
case 79: // LD R,A
@ -724,11 +724,14 @@ int Z80free_codesED (Z80FREE *processor,byte opcode) {
processor->Rm.wr.BC--;
if ((processor->Rm.wr.BC)&&(!(processor->Rm.br.F&F_Z))) {
processor->PC-=2;
Z80free_valFlag(processor,F_C,tmp2);
return (17);
} else {
Z80free_resFlag(processor,F_H|F_N|F_PV|F_3|F_5);
Z80free_resFlag(processor,F_H|F_PV|F_3|F_5);
Z80free_setFlag(processor,F_N);
Z80free_valFlag(processor,F_C,tmp2);
return (12);
if (processor->Rm.wr.BC)
Z80free_setFlag(processor,F_PV); return (12);
}
break;
case 178: // INIR
@ -786,11 +789,14 @@ int Z80free_codesED (Z80FREE *processor,byte opcode) {
processor->Rm.wr.BC--;
if ((processor->Rm.wr.BC)&&(!(processor->Rm.br.F&F_Z))) {
processor->PC-=2;
Z80free_valFlag(processor,F_C,tmp2);
return (17);
} else {
Z80free_resFlag(processor,F_H|F_N|F_PV|F_3|F_5);
Z80free_resFlag(processor,F_H|F_PV|F_3|F_5);
Z80free_setFlag(processor,F_N);
Z80free_valFlag(processor,F_C,tmp2);
return (12);
if (processor->Rm.wr.BC)
Z80free_setFlag(processor,F_PV); return (12);
}
break;
case 186: // INDR

13
src/z80free/z80free_gencode.py
View File

@ -838,7 +838,7 @@ class z80_parser(generic_parser):
return False
if opcode=="OUTI":
self.file_out.write("\t\t/*OUTI, OUTD, OTIR and OTDR first decrements B and then uses it*/\n")
self.file_out.write("\t\t/*OUTI, OUTD, OTIR and OTDR first decrement B and then uses it*/\n")
self.file_out.write("\t\tprocessor->Rm.br.B=Z80free_doIncDec(processor,processor->Rm.br.B,1);\n")
self.file_out.write("\t\tZ80free_Out(processor->Rm.wr.BC,Z80free_Rd(processor->Rm.wr.HL));\n")
self.file_out.write("\t\tprocessor->Rm.wr.HL++;\n")
@ -910,8 +910,11 @@ class z80_parser(generic_parser):
self.file_out.write("\t\t\tprocessor->PC-=2;\n")
self.file_out.write("\t\t\treturn ("+str(tst1)+");\n")
self.file_out.write("\t\t} else {\n")
self.file_out.write("\t\t\tZ80free_resFlag(processor,F_H|F_N|F_PV|F_3|F_5);\n")
self.file_out.write("\t\t\tZ80free_resFlag(processor,F_H|F_PV|F_3|F_5);\n")
self.file_out.write("\t\t\tZ80free_setFlag(processor,F_N);\n")
self.file_out.write("\t\tZ80free_valFlag(processor,F_C,tmp2);\n")
self.file_out.write("\t\tif (processor->Rm.wr.BC)\n")
self.file_out.write("\t\t\tZ80free_setFlag(processor,F_PV);")
self.file_out.write("\t\t\treturn ("+str(tst2)+");\n")
self.file_out.write("\t\t}\n")
return True
@ -964,8 +967,11 @@ class z80_parser(generic_parser):
self.file_out.write("\t\t\tprocessor->PC-=2;\n")
self.file_out.write("\t\t\treturn ("+str(tst1)+");\n")
self.file_out.write("\t\t} else {\n")
self.file_out.write("\t\t\tZ80free_resFlag(processor,F_H|F_N|F_PV|F_3|F_5);\n")
self.file_out.write("\t\t\tZ80free_resFlag(processor,F_H|F_PV|F_3|F_5);\n")
self.file_out.write("\t\t\tZ80free_setFlag(processor,F_N);\n")
self.file_out.write("\t\tZ80free_valFlag(processor,F_C,tmp2);\n")
self.file_out.write("\t\tif (processor->Rm.wr.BC)\n")
self.file_out.write("\t\t\tZ80free_setFlag(processor,F_PV);")
self.file_out.write("\t\t\treturn ("+str(tst2)+");\n")
self.file_out.write("\t\t}\n")
return True
@ -1306,3 +1312,4 @@ aparser=parser_ED("Z80free_codesED")
aparser=parser_FD("Z80free_codesFD")
aparser=parser_FDCB("Z80free_codesFDCB")