collapseos/blk/820

( native words )
CODE EXECUTE
    DI POPx, JMPs, lblexec @ RPCs,
CODE >R
    BP INCx, BP INCx, [BP] 0 POP[w]+,
;CODE NOP, NOP, NOP,
CODE R>
    [BP] 0 PUSH[w]+, BP DECx, BP DECx,
;CODE
CODE 2R>
    [BP] -2 PUSH[w]+, [BP] 0 PUSH[w]+, BP 4 SUBxi,
;CODE
CODE ROT ( a b c -- b c a )
    CX POPx, BX POPx, AX POPx,
    BX PUSHx, CX PUSHx, AX PUSHx,
;CODE
pcat: begin organizing native words properly This port is taking shape! 2020-06-19 05:28:30 +10:00			`( native words )`
pcat: more native words 2020-06-19 09:06:53 +10:00			`CODE EXECUTE`
			`DI POPx, JMPs, lblexec @ RPCs,`
pcat: implement (loop) 8086 asm is a lot terser than z80... Those indirect memory operations are very handy. 2020-06-19 05:01:04 +10:00			`CODE >R`
			`BP INCx, BP INCx, [BP] 0 POP[w]+,`
			`;CODE NOP, NOP, NOP,`
			`CODE R>`
			`[BP] 0 PUSH[w]+, BP DECx, BP DECx,`
			`;CODE`
			`CODE 2R>`
			`[BP] -2 PUSH[w]+, [BP] 0 PUSH[w]+, BP 4 SUBxi,`
			`;CODE`
pcat: more native words 2020-06-19 09:06:53 +10:00			`CODE ROT ( a b c -- b c a )`
			`CX POPx, BX POPx, AX POPx,`
			`BX PUSHx, CX PUSHx, AX PUSHx,`
			`;CODE`