collapseos/blk/312

CODE 2DROP ( a b -- )
    HL POP, HL POP, chkPS,
;CODE

CODE 2DUP ( a b -- a b a b )
    HL POP, ( b ) DE POP, ( a )
    chkPS,
    DE PUSH, HL PUSH,
    DE PUSH, HL PUSH,
;CODE
z80a: make mnemonic names more uniform across assemblers Initially, I used the same letters as those used in the z80 ref docs, but it makes the different assemblers harder to use than they should. Having consistent "argtype" rules across assemblers should help. 2020-06-28 12:01:56 +10:00			`CODE 2DROP ( a b -- )`
z80: add missing chkPS, calls chkPS, used to be only for words that pushed back to PS, but I've recently removed underflow checks from next and I forgot to add missing chkPS, calls that go with this change. 2020-08-23 22:38:04 +10:00			`HL POP, HL POP, chkPS,`
Copy boot.z80 to blkfs 2020-04-23 11:19:12 +10:00			`;CODE`

z80a: make mnemonic names more uniform across assemblers Initially, I used the same letters as those used in the z80 ref docs, but it makes the different assemblers harder to use than they should. Having consistent "argtype" rules across assemblers should help. 2020-06-28 12:01:56 +10:00			`CODE 2DUP ( a b -- a b a b )`
			`HL POP, ( b ) DE POP, ( a )`
ti84: kbd driver wip 2020-05-10 01:55:58 +10:00			`chkPS,`
z80a: make mnemonic names more uniform across assemblers Initially, I used the same letters as those used in the z80 ref docs, but it makes the different assemblers harder to use than they should. Having consistent "argtype" rules across assemblers should help. 2020-06-28 12:01:56 +10:00			`DE PUSH, HL PUSH,`
			`DE PUSH, HL PUSH,`
ti84: kbd driver wip 2020-05-10 01:55:58 +10:00			`;CODE`