Initial submission of the PCem-Experimental source code.

2016-06-26 00:34:39 +02:00
parent 09d7c4384f
commit fd2a5bc9f5
610 changed files with 184352 additions and 0 deletions
--- a/src/vid_cga.h
+++ b/src/vid_cga.h
@@ -0,0 +1,41 @@
+typedef struct cga_t
+{
+        mem_mapping_t mapping;
+        
+        int crtcreg;
+        uint8_t crtc[32];
+        
+        uint8_t cgastat;
+        
+        uint8_t cgamode, cgacol;
+
+        int linepos, displine;
+        int sc, vc;
+        int cgadispon;
+        int con, coff, cursoron, cgablink;
+        int vsynctime, vadj;
+        uint16_t ma, maback;
+        int oddeven;
+
+        int dispontime, dispofftime;
+        int vidtime;
+        
+        int firstline, lastline;
+        
+        int drawcursor;
+        
+        uint8_t *vram;
+        
+        uint8_t charbuffer[256];
+} cga_t;
+
+void    cga_init(cga_t *cga);
+void    cga_out(uint16_t addr, uint8_t val, void *p);
+uint8_t cga_in(uint16_t addr, void *p);
+void    cga_write(uint32_t addr, uint8_t val, void *p);
+uint8_t cga_read(uint32_t addr, void *p);
+void    cga_recalctimings(cga_t *cga);
+void    cga_poll(void *p);
+
+extern device_t cga_new_device;
+extern device_t cga_device;