diff options
| author | Juan J. Martinez <jjm@usebox.net> | 2021-05-03 08:21:10 +0100 |
|---|---|---|
| committer | Juan J. Martinez <jjm@usebox.net> | 2021-05-03 10:00:00 +0100 |
| commit | c3b0fa04a663fe233765b83d3be41a42aa08c25d (patch) | |
| tree | 0befda349001ef6ce306b39378f9c70ad917363e /lib/cpcrslib/cpc_RLI.s | |
| download | return-of-traxtor-cpc-c3b0fa04a663fe233765b83d3be41a42aa08c25d.tar.gz return-of-traxtor-cpc-c3b0fa04a663fe233765b83d3be41a42aa08c25d.zip | |
Diffstat (limited to 'lib/cpcrslib/cpc_RLI.s')
| -rw-r--r-- | lib/cpcrslib/cpc_RLI.s | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/cpcrslib/cpc_RLI.s b/lib/cpcrslib/cpc_RLI.s new file mode 100644 index 0000000..92a9385 --- /dev/null +++ b/lib/cpcrslib/cpc_RLI.s @@ -0,0 +1,39 @@ +.globl _cpc_RLI ;rota las líneas que se le digan hacia la izq y mete lo rotado por la derecha. + +_cpc_RLI:: + LD IX,#2 + ADD IX,SP + LD L,0 (IX) + LD H,1 (IX) ;posición inicial + LD A,2 (IX) ;lineas + LD (alto_cpc_RLI+1),A + LD A,3 (IX) ;ancho + LD (ancho_cpc_RLI+1),A + DEC HL +alto_cpc_RLI: + LD A,#8 ;; parametro +ciclo0_cpc_RLI: + PUSH AF + PUSH HL + INC HL + LD A,(HL) + LD D,H + LD E,L + DEC HL + LD B, #0 +ancho_cpc_RLI: + LD C,#50 ; parametro + LDDR + INC HL + LD (HL),A + POP HL + POP AF + DEC A + RET Z + LD BC,#0X800 ;salto de línea, ojo salto caracter. + ADD HL,BC + JP NC,ciclo0_cpc_RLI ;sig_linea_2zz ;si no desborda va a la siguiente linea + LD BC,#0XC050 + ADD HL,BC + JP ciclo0_cpc_RLI + |