allow single pixel height/width graphics viewports

AgonConsole8 / agon-vdp

Official Firmware for the Agon Console8: ESP32 VDP

MIT License

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allow single pixel height/width graphics viewports #172

Closed stevesims closed 5 months ago

stevesims commented 6 months ago

fixes an issue whereby graphics viewports could only be defined with non-equal x or y values, which meant that viewports would be at least 2 pixels wide/tall