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hgr: messing with the colors

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This commit is contained in:
Vince Weaver 2018-07-02 01:53:15 -04:00
parent 04453a2426
commit 17faceafb7
1 changed files with 24 additions and 8 deletions
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32
gr-sim/gr-sim.c
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@ -188,8 +188,10 @@ static unsigned int color[16]={
static unsigned int hcolor[8]={ static unsigned int hcolor[8]={
0, /* 0 black */ 0, /* 0 black */
0x14f53c, /* 1 bright green */ 0x2ad600,
0xff44fd, /* 2 purple */ // 0x14f53c, /* 1 bright green */
// 0xff44fd, /* 2 purple */
0xc530ff,
0xffffff, /* 3 white */ 0xffffff, /* 3 white */
0, /* 4 black */ 0, /* 4 black */
0xff6a3c, /* 5 orange */ 0xff6a3c, /* 5 orange */
@ -396,11 +398,11 @@ void draw_text(unsigned int *out_pointer,int text_start, int text_end) {
void draw_hires(unsigned int *out_pointer,int y_start, int y_end) { void draw_hires(unsigned int *out_pointer,int y_start, int y_end) {
int i,j,yy,xx; int i,j,k,yy,xx;
int gr_addr; int gr_addr;
int temp_col; int temp_col;
unsigned int *t_pointer; unsigned int *t_pointer;
int last_pixel,current_byte,current_pixel; int last_pixel,current_byte,current_pixel,odd=0;
t_pointer=out_pointer+(y_start*280*HGR_X_SCALE*HGR_Y_SCALE); t_pointer=out_pointer+(y_start*280*HGR_X_SCALE*HGR_Y_SCALE);
@ -417,18 +419,32 @@ void draw_hires(unsigned int *out_pointer,int y_start, int y_end) {
gr_addr+=0x2000; gr_addr+=0x2000;
} }
last_pixel=0; last_pixel=0;
odd=0;
for(xx=0;xx<HGR_XSIZE/7;xx++) { for(xx=0;xx<HGR_XSIZE/7;xx++) {
// printf("HGR ADDR=%x\n",gr_addr); // printf("HGR ADDR=%x\n",gr_addr);
current_byte=ram[gr_addr]; current_byte=ram[gr_addr];
// BBBBBBBB OOOOOOOO OO?WW?BB BB?KK?OO
// 10101010 01010101 01011010 10100101
// 1 1 010101 1 0 101010
// d5 aa
for(i=0;i<HGR_X_SCALE;i++) {
current_pixel=!!(current_byte&(1<<(7-i))); for(i=0;i<7;i++) {
current_pixel=!!(current_byte&(1<<i));
temp_col=((!!(current_byte&0x80))<<2)| temp_col=((!!(current_byte&0x80))<<2)|
(last_pixel<<1)| (last_pixel<<1)|
current_pixel; current_pixel;
*t_pointer=hcolor[temp_col]; // printf("Temp col=%d\n",temp_col);
t_pointer++; if (odd)
for(k=0;k<HGR_X_SCALE;k++) {
*t_pointer=hcolor[temp_col];
t_pointer++;
*t_pointer=hcolor[temp_col];
t_pointer++;
}
odd=!odd;
last_pixel=current_pixel;
} }
gr_addr++; gr_addr++;