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hgr: vertical colors sorta right

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This commit is contained in:
Vince Weaver 2018-07-02 13:55:48 -04:00
parent 4f285a2391
commit 6f7a6d1626
1 changed files with 7 additions and 12 deletions
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19
gr-sim/hgr-sim.c
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@ -90,21 +90,20 @@ int hgr2(void) {
static void hposn(void) {
unsigned char s;
unsigned char msktbl[]={0x81,0x82,0x84,0x88,0x90,0xA0,0xC0};
// F411
ram[HGR_Y]=a;
ram[HGR_X]=x;
ram[HGR_X+1]=y;
s=a; // pha
pha();
a=a&0xC0;
ram[GBASL]=a;
lsr();
lsr();
a=a|ram[GBASL];
ram[GBASL]=a;
a=s;
pla();
// F423
ram[GBASH]=a;
asl();
@ -115,23 +114,20 @@ static void hposn(void) {
rol_mem(GBASH);
asl();
ror_mem(GBASL);
a=ram[GBASH];
lda(GBASH);
a=a&0x1f;
a=a|ram[HGR_PAGE];
ram[GBASH]=a;
// F438
a=x;
if (y==0) {
c=0;
goto hposn_2;
} else {
c=1;
}
cpy(0);
if (z==1) goto hposn_2;
y=35;
adc(4);
hposn_1:
y++;
iny();
// f442
hposn_2:
sbc(7);
@ -406,4 +402,3 @@ int hcolor_equals(int color) {
return 0;
}