[WIP] RTG Stuff and things

[pistorm] / platforms / amiga / pistorm-dev / pistorm_dev_amiga / pistorm_dev.c

diff --git a/platforms/amiga/pistorm-dev/pistorm_dev_amiga/pistorm_dev.c b/platforms/amiga/pistorm-dev/pistorm_dev_amiga/pistorm_dev.c
index 7bdddaeb70acc8f2292ee7e85e4369f9fa88e771..3052a7ebbe1b6510326fc7440c318c4922b0ca28 100644 (file)
--- a/platforms/amiga/pistorm-dev/pistorm_dev_amiga/pistorm_dev.c
+++ b/platforms/amiga/pistorm-dev/pistorm_dev_amiga/pistorm_dev.c
@@ -115,6 +115,41 @@ unsigned short pi_memcpy(unsigned char *dst, unsigned char *src, unsigned int si
        RETURN_CMDRES;
 }
 
+// Generic memory copyrect, assuming that the src/dst offsets are already adjusted for X/Y coordinates.
+void pi_copyrect(unsigned char *dst, unsigned char *src,
+                                unsigned short src_pitch, unsigned short dst_pitch,
+                                unsigned short w, unsigned short h) {
+       WRITELONG(PI_PTR1, (unsigned int)src);
+       WRITELONG(PI_PTR2, (unsigned int)dst);
+       WRITESHORT(PI_WORD1, src_pitch);
+       WRITESHORT(PI_WORD2, dst_pitch);
+       WRITESHORT(PI_WORD3, w);
+       WRITESHORT(PI_WORD4, h);
+
+       WRITESHORT(PI_CMD_COPYRECT, 1);
+}
+
+// Extended memory copyrect, allowing specifying of source/dest X/Y coordinates.
+void pi_copyrect_ex(unsigned char *dst, unsigned char *src,
+                                       unsigned short src_pitch, unsigned short dst_pitch,
+                                       unsigned short src_x, unsigned short src_y,
+                                       unsigned short dst_x, unsigned short dst_y,
+                                       unsigned short w, unsigned short h) {
+       WRITELONG(PI_PTR1, (unsigned int)src);
+       WRITELONG(PI_PTR2, (unsigned int)dst);
+       WRITESHORT(PI_WORD1, src_pitch);
+       WRITESHORT(PI_WORD2, dst_pitch);
+       WRITESHORT(PI_WORD3, w);
+       WRITESHORT(PI_WORD4, h);
+
+       WRITESHORT(PI_WORD5, src_x);
+       WRITESHORT(PI_WORD6, src_y);
+       WRITESHORT(PI_WORD7, dst_x);
+       WRITESHORT(PI_WORD8, dst_y);
+
+       WRITESHORT(PI_CMD_COPYRECT_EX, 1);
+}
+
 // PiSCSI stuff
 // TODO: There's currently no way to read back what drives are mounted at which SCSI index.
 unsigned short pi_piscsi_map_drive(char *filename, unsigned char index) {