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Fixed contention in normal mode emulation

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fabio.olimpieri 2013-01-02 07:11:31 +00:00
parent 4656637f05
commit 1a74eec1d5
2 changed files with 11 additions and 6 deletions
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15
src/computer.c
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@ -1510,7 +1510,7 @@ void ResetComputer () {
ordenador.lower_border_line = 64 + 192;
ordenador.cpufreq = 3500000;
ordenador.tstatodos_frame= 69888;
//ordenador.start_contention = 14335;
ordenador.start_contention = 14335;
//ordenador.end_contention = 14335+224*192;
ordenador.first_line = 40;
ordenador.last_line = 280;
@ -1522,7 +1522,7 @@ void ResetComputer () {
ordenador.lower_border_line = 40 + 192;
ordenador.cpufreq = 3527500;
ordenador.tstatodos_frame= 59136;
//ordenador.start_contention = 8959;
ordenador.start_contention = 8959;
//ordenador.end_contention = 8959+224*192;
ordenador.first_line = 16;
ordenador.last_line = 256;
@ -1546,7 +1546,7 @@ void ResetComputer () {
ordenador.lower_border_line = 63 + 192;
ordenador.cpufreq = 3546900;
ordenador.tstatodos_frame= 70908;
//ordenador.start_contention = 14361;
ordenador.start_contention = 14361;
//ordenador.end_contention = 14361+228*192;
ordenador.first_line = 40;
ordenador.last_line = 280;
@ -1570,16 +1570,21 @@ void do_contention() {
if ((ordenador.currline < ordenador.upper_border_line ) || (ordenador.currline >= ordenador.lower_border_line)
|| (ordenador.currpix < 40) || (ordenador.currpix > 295)) return;
if (ordenador.mode128k==3) //+3
{
ccicles=((ordenador.currpix-28)/2)%8; //44-16
if (ordenador.precision) ccicles=((ordenador.currpix-28)/2)%8; //44-16
else ccicles=(ordenador.cicles_counter-ordenador.start_contention)%8;
if (ccicles>6) return;
ordenador.contention+=7-ccicles;
emulate_screen(7-ccicles);
}
else //64k/128k/+2
{
ccicles=((ordenador.currpix-40)/2)%8;
if (ordenador.precision) ccicles=((ordenador.currpix-40)/2)%8;
else ccicles=(ordenador.cicles_counter-ordenador.start_contention)%8;
if (ccicles>5) return;
ordenador.contention+=6-ccicles;
emulate_screen(6-ccicles);

2
src/computer.h
View File

@ -78,7 +78,7 @@ struct computer {
int tstatodos_frame; //number of tstados per frame
int pixels_octect; //2 bits in the octect
int pixels_word; //2 bits in the word
//int start_contention; //start tstados for contention
int start_contention; //start tstados for contention
//int end_contention; //end tstados for contention
unsigned char screen_snow; // 0-> no emulate snow; 1-> emulate snow