The-Homebrew-Cloud/Genesis-Plus-GX
2
0
Fork 0
mirror of https://github.com/ekeeke/Genesis-Plus-GX.git synced 2024-12-27 03:31:49 +01:00
Code Issues Packages Projects Releases Wiki Activity

[Core/VDP] fixed broken Mode 1 rendering (TMS99xx "Text" mode)

Browse Source
This commit is contained in:
EkeEke 2013-12-27 19:33:06 +01:00
parent c6bcd315fb
commit 2fd2f82537
1 changed files with 4 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
core/vdp_render.c
View File

@ -1142,8 +1142,7 @@ void color_update_m5(int index, unsigned int data)
/* Graphics I */
void render_bg_m0(int line)
{
uint8 color, pattern;
uint16 name;
uint8 color, name, pattern;
uint8 *lb = &linebuf[0][0x20];
uint8 *nt = &vram[((reg[2] << 10) & 0x3C00) + ((line & 0xF8) << 2)];
@ -1190,7 +1189,7 @@ void render_bg_m1(int line)
do
{
pattern = pg[*nt++];
pattern = pg[*nt++ << 3];
*lb++ = 0x10 | ((color >> (((pattern >> 7) & 1) << 2)) & 0x0F);
*lb++ = 0x10 | ((color >> (((pattern >> 6) & 1) << 2)) & 0x0F);
@ -1298,8 +1297,6 @@ void render_bg_m2(int line)
void render_bg_m3(int line)
{
uint8 color;
uint16 name;
uint8 *lb = &linebuf[0][0x20];
uint8 *nt = &vram[((reg[2] << 10) & 0x3C00) + ((line & 0xF8) << 2)];
uint8 *pg = &vram[((reg[4] << 11) & 0x3800) + ((line >> 2) & 7)];
@ -1309,8 +1306,7 @@ void render_bg_m3(int line)
do
{
name = *nt++;
color = pg[name << 3];
color = pg[*nt++ << 3];
*lb++ = 0x10 | ((color >> 4) & 0x0F);
*lb++ = 0x10 | ((color >> 4) & 0x0F);
@ -1328,7 +1324,6 @@ void render_bg_m3(int line)
void render_bg_m3x(int line)
{
uint8 color;
uint16 name;
uint8 *pg;
uint8 *lb = &linebuf[0][0x20];
@ -1349,8 +1344,7 @@ void render_bg_m3x(int line)
do
{
name = *nt++;
color = pg[name << 3];
color = pg[*nt++ << 3];
*lb++ = 0x10 | ((color >> 4) & 0x0F);
*lb++ = 0x10 | ((color >> 4) & 0x0F);