plot code 0x18 should be omitting the last point from a line, rather than the first. this bug was caused by Acorn’s GXR reference card incorrectly describing the PLOT code. doh!
also ensure that vdu_plot is always in IRAM - which when running the triangle test gives us a boost of 7%
plot code 0x18 should be omitting the last point from a line, rather than the first. this bug was caused by Acorn’s GXR reference card incorrectly describing the PLOT code. doh!
also ensure that vdu_plot is always in IRAM - which when running the triangle test gives us a boost of 7%