OTHER CONTRIBUTIONS: ASSEMBLY FOR BEGINNERS (ZILOG Z80)

This is a short program that shows how easy it is to learn assembly with ugBASIC. Since version 1.14.1, in fact, it allows you to insert assembly code online. Clearly accessing all the BASIC features. This program shows how a 16-bit (2 x 8-bit) addition works under the ZILOG Z80 processor.

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SOURCE CODE ()

	DIM x AS INTEGER, y AS INTEGER, z AS INTEGER

	CLS

	x = 10: y = 40: z = 0

	PRINT x;" + "; y; " = ";

	ON CPUZ80 BEGIN ASM

		AND A
		
		LD HL, (_x)
		LD DE, (_y)
		
		ADC HL, DE
		
		LD (_z), HL
		
	END ASM

	PRINT z

How to compile and run the example

The instructions here refer to compiling the example from the command line. For Microsoft Windows users we suggest using UGBASIC-IDE, which allows you to download and compile each single example with just one click.



Are instructions for your specific home computer / console missing? First of all, check if your computer is supported by clicking here. If so, since ugBASIC is a language which does not provide abstractions, it is possible that this example will not work on your target. If you think this is an issue, please click here.

Amstrad CPC 464, Amstrad CPC 6128, Amstrad CPC 664

In order to compile the example, type this command on the command line:

Linux

ugbc.cpc -O dsk -o contrib_asm_zilogz80.dsk contrib_asm_zilogz80.bas

Windows

ugbc.cpc.exe -O dsk -o contrib_asm_zilogz80.dsk contrib_asm_zilogz80.bas

For Microsoft Windows users we suggest using UGBASIC-IDE, which allows you to download and compile this example with just one click.

Coleco Vision, Dina (Chuang Zao Zhe 50), SpectraVideo SV-603 VGA

In order to compile the example, type this command on the command line:

Linux

ugbc.coleco -O rom -o contrib_asm_zilogz80.rom contrib_asm_zilogz80.bas

Windows

ugbc.coleco.exe -O rom -o contrib_asm_zilogz80.rom contrib_asm_zilogz80.bas

For Microsoft Windows users we suggest using UGBASIC-IDE, which allows you to download and compile this example with just one click.

SEGA SC-3000

In order to compile the example, type this command on the command line:

Linux

ugbc.sc3000 -O rom -o contrib_asm_zilogz80.rom contrib_asm_zilogz80.bas

Windows

ugbc.sc3000.exe -O rom -o contrib_asm_zilogz80.rom contrib_asm_zilogz80.bas

For Microsoft Windows users we suggest using UGBASIC-IDE, which allows you to download and compile this example with just one click.

SEGA SG-1000

In order to compile the example, type this command on the command line:

Linux

ugbc.sg1000 -O rom -o contrib_asm_zilogz80.rom contrib_asm_zilogz80.bas

Windows

ugbc.sg1000.exe -O rom -o contrib_asm_zilogz80.rom contrib_asm_zilogz80.bas

For Microsoft Windows users we suggest using UGBASIC-IDE, which allows you to download and compile this example with just one click.

ZX Spectrum +2, ZX Spectrum 128K, ZX Spectrum 48K

In order to compile the example, type this command on the command line:

Linux

ugbc.zx -O tap -o contrib_asm_zilogz80.tap contrib_asm_zilogz80.bas

Windows

ugbc.zx.exe -O tap -o contrib_asm_zilogz80.tap contrib_asm_zilogz80.bas

For Microsoft Windows users we suggest using UGBASIC-IDE, which allows you to download and compile this example with just one click.

Any problem?

If you have found a problem trying to run this example, if you think there is a bug or, more simply, you would like it to be improved, open an issue for this example on GitHub.
Thank you!

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