VPE Programming Topics

VPE Proramming Topics

CHUI VT100 codes and VPE Variables

Reverse Video

• Reverse Video (RV) On: esc[7m
• RV Off: esc[0m

Position Cursor: esc[{dy+1};{dx+1}H (remove parens)

Blanking:

• Cur to EOS: esc[J
• TOS to Cur: esc[1J
• Cur to EOL: esc[K
• SOL to Cur: esc[1K

Cur on/off

• Cur On: esc[?25h
• Cur Off: esc[?25l

Scroll Region

• Index: escD: Move cursor one line down and auto scroll
• Rev Index: escM: Move cursor one line up and auto scroll
• Insert: esc[1L
• Scroll Region: esc[{top};{bot}r

Scroll Variables:

• S1 = 2; S2 = IOSL-2
• HD = 1
• HD(1) = "=====..."
• FT = 2
• FT(1) = "=====..."
• FT(2) = "<> ESC-H = Scroll Help"
• GAP = S2-S1+1
• SL = S2-S1+1
• BOT,LNCNT,TOP = 1
• HLN = 1
• HSY? = S1-1