git.y1.nz

commit 6377b7f944b56969533c9be74ba555dd400b31dc
parent c9e0abdb6ff54b477e40ea43ef5527d1471ef6c5
Author: Toxa <untoxa@mail.ru>
Date:   Sun, 10 Sep 2023 14:06:53 +0300

SMS/GG: add R5_SAT_0x1F00 definition for the R5 value controlling SAT position in VRAM, fix fonts cross-platform example

Diffstat:
M
gbdk-lib/examples/cross-platform/fonts/src/fonts.c
5
+++++
M
gbdk-lib/include/sms/hardware.h
1
+

2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/gbdk-lib/examples/cross-platform/fonts/src/fonts.c b/gbdk-lib/examples/cross-platform/fonts/src/fonts.c
@@ -16,6 +16,11 @@
 
 void main(void)
 {
+#ifdef SEGA
+    __WRITE_VDP_REG(VDP_R2, R2_MAP_0x3800);
+    __WRITE_VDP_REG(VDP_R5, R5_SAT_0x3F00);
+#endif
+
     font_t ibm_font, italic_font, min_font;
     int i;
 
diff --git a/gbdk-lib/include/sms/hardware.h b/gbdk-lib/include/sms/hardware.h
@@ -102,6 +102,7 @@ extern UBYTE shadow_VDP_R4;
 extern UBYTE shadow_VDP_R5;
 
 #define R5_SAT_0x3F00  0xFF
+#define R5_SAT_0x1F00  0xBF
 #define R5_SAT_MASK    0b10000001
 
 #define VDP_R6         0b10000110

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