initial commit

2026-07-18 20:34:55 +02:00
commit 59ad004c96
474 changed files with 226635 additions and 0 deletions
@@ -0,0 +1,95 @@
+#ifndef C128_VDC_H
+#define C128_VDC_H
+
+#include <c64/types.h>
+
+enum VDCRegister
+{
+	VDCR_HTOTAL,
+	VDCR_HDISPLAY,
+	VDCR_HSYNC,
+	VDCR_SYNCSIZE,
+
+	VDCR_VTOTAL,
+	VDCR_VADJUST,
+	VDCR_VDISPLAY,
+	VDCR_VSYNC,
+
+	VDCR_LACE,
+	VDCR_CSIZE,
+	VDCR_CURSOR_START,
+	VDCR_CURSOR_END,
+
+	VDCR_DISP_ADDRH,
+	VDCR_DISP_ADDRL,
+	VDCR_CURSOR_ADDRH,
+	VDCR_CURSOR_ADDRL,
+
+	VDCR_LPEN_Y,
+	VDCR_LPEN_X,
+	VDCR_ADDRH,
+	VDCR_ADDRL,
+
+	VDCR_ATTR_ADDRH,
+	VDCR_ATTR_ADDRL,
+	VDCR_CWIDTH,
+	VDCR_CHEIGHT,
+
+	VDCR_VSCROLL,
+	VDCR_HSCROLL,
+	VDCR_COLOR,
+	VDCR_ROWINC,
+
+	VDCR_CHAR_ADDRH,
+	VDCR_UNDERLINE,
+	VDCR_DSIZE,
+	VDCR_DATA,
+
+	VDCR_BLOCK_ADDRH,
+	VDCR_BLOCK_ADDRL,
+	VDCR_HSTART,
+	VDCR_HEND,
+
+	VDCR_REFRESH
+};
+
+struct VDC
+{
+	volatile char addr;
+	volatile char data;
+};
+
+#define vdc	(*((struct VDC *)0xd600))
+
+inline void vdc_reg(VDCRegister reg);
+
+inline void vdc_write(byte data);
+
+inline byte vdc_read(void);
+
+
+void vdc_reg_write(VDCRegister reg, byte data);
+
+byte vdc_reg_read(VDCRegister reg);
+
+
+void vdc_mem_addr(unsigned addr);
+
+inline void vdc_mem_write(char data);
+
+inline char vdc_mem_read(void);
+
+
+void vdc_mem_write_at(unsigned addr, char data);
+
+char vdc_mem_read_at(unsigned addr);
+
+
+void vdc_mem_write_buffer(unsigned addr, const char * data, char size);
+
+void vdc_mem_read_buffer(unsigned addr, char * data, char size);
+
+
+#pragma compile("vdc.c")
+
+#endif